Online Module 8 Quiz

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Nathaniel

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Quizzes Created: 12 | Total Attempts: 6,075

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1/50 Questions

This Rhythm is:
- Normal sinus Rhythm
- Idioventricular Rhythm
- SVT
- Atrial Fibrillation

About This Quiz

Each of the questions or incomplete statements below is followed by suggested answers or completions. Select the one answer that is best in each case.
This Quiz is 50 questions in length.
You must obtain a 80% to pass and you will not be able to review your answers

Quiz Preview

2.

This Rhythm is:
- NORMAL SINUS RHYTHM
- SINUS PAUSE
- ASYSTOLE
- V-TACH
Correct Answer

A. ASYSTOLE
3.

This Rhythm is:
- NORMAL SINUS RHYTHM
- SINUS PAUSE
- ASYSTOLE
- V-TACH
Correct Answer

A. ASYSTOLE

Explanation

The correct answer is ASYSTOLE. Asystole is a condition characterized by the absence of any electrical activity in the heart. It is considered a form of cardiac arrest and is often referred to as "flatline." In this rhythm, there is a complete absence of any P waves, QRS complexes, and T waves, indicating that the heart is not contracting or producing any electrical signals. This is a life-threatening condition that requires immediate medical intervention, such as cardiopulmonary resuscitation (CPR) and advanced cardiac life support (ACLS) measures.

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4.

This Rhythm is:
- Normal sinus Rhythm
- Idioventricular Rhythm
- SVT
- Atrial Fibrillation
Correct Answer

A. Idioventricular Rhythm

Explanation

The correct answer is idioventricular rhythm because idioventricular rhythm is characterized by a slow heart rate, usually below 40 beats per minute, and wide QRS complexes on an ECG. It is a ventricular rhythm that occurs when the normal pacemaker of the heart fails to function properly, and the ventricles take over as the primary pacemaker. This rhythm is often seen in patients with significant heart disease or after a myocardial infarction.

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5.

This rhythm is:
- Normal sinus
- Normal sinus with unifocal pvc's
- Sinus tachycardia
- V-tach
Correct Answer

A. Normal sinus with unifocal pvc's

Explanation

The given answer suggests that the rhythm observed is normal sinus with unifocal PVCs. This means that the underlying rhythm is normal sinus rhythm, which is the normal electrical activity of the heart. However, there are also premature ventricular contractions (PVCs) occurring, which are extra heartbeats that originate in the ventricles. These PVCs are unifocal, meaning they have a consistent shape and originate from the same location in the ventricles. Overall, the rhythm is normal sinus with occasional PVCs.

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6.

Which one do you like?
- Normal sinus rhythm
- Supra Ventricular tachycardia
- Atrial fibrillation
- Atrial flutter
Correct Answer

A. Supra Ventricular tachycardia

Explanation

Supraventricular tachycardia is the correct answer because it is a type of abnormal heart rhythm that originates above the ventricles in the atria or AV node. It is characterized by a rapid heart rate, usually above 100 beats per minute. This condition can cause symptoms such as palpitations, shortness of breath, and dizziness. Treatment options for supraventricular tachycardia may include medications, electrical cardioversion, or catheter ablation.

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7.

This Rhythm is:
- V-TACH
- V-FIB
- IDIOVENTRICULAR RHYTHM
- NORMAL SINUS RHYTHM
Correct Answer

A. V-FIB

Explanation

V-FIB stands for ventricular fibrillation, which is a life-threatening cardiac arrhythmia. In ventricular fibrillation, the heart's ventricles quiver or fibrillate instead of contracting effectively. This chaotic electrical activity prevents the heart from pumping blood effectively, leading to a loss of consciousness and eventually cardiac arrest if not treated immediately. V-FIB is considered a medical emergency and requires prompt defibrillation to restore a normal heart rhythm.

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8.

Which one do you like?
- Normal sinus rhythm
- Supra Ventricular tachycardia
- Atrial fibrillation
- Atrial flutter
Correct Answer

A. Supra Ventricular tachycardia

Explanation

Supra Ventricular tachycardia is the correct answer because it is a type of abnormal heart rhythm characterized by a rapid heart rate originating above the ventricles. It is different from normal sinus rhythm, atrial fibrillation, and atrial flutter, which are also abnormal heart rhythms but have different characteristics and origins.

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9.

This Rhythm is:
- V-TACH
- V-FIB
- IDIOVENTRICULAR RHYTHM
- NORMAL SINUS RHYTHM
Correct Answer

A. V-FIB

Explanation

V-FIB stands for ventricular fibrillation, which is a life-threatening cardiac rhythm disturbance. In ventricular fibrillation, the ventricles of the heart quiver or fibrillate instead of contracting effectively, leading to a loss of coordinated pumping action. This results in a lack of blood flow to the body and can quickly lead to cardiac arrest if not treated promptly. V-FIB requires immediate medical intervention, such as defibrillation, to restore a normal heart rhythm and prevent further complications.

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10.

Which one do you like?
- ATRIAL FLUTTER
- ATRIAL FIBRILLATION
- SVT
- NORMAL SINUS
Correct Answer

A. ATRIAL FIBRILLATION

Explanation

Atrial fibrillation is the correct answer because it is a common cardiac arrhythmia characterized by rapid and irregular electrical impulses in the atria of the heart. This condition can lead to symptoms such as palpitations, shortness of breath, and fatigue. It is important to identify and treat atrial fibrillation as it can increase the risk of stroke and other complications.

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11.

This rhythm is:
- Idioventricular rhythm
- Accelerated idioventricular rhythm
- Normal sinus rhythm
- Sinus bradycardia
Correct Answer

A. Accelerated idioventricular rhythm

Explanation

An accelerated idioventricular rhythm is a type of abnormal heart rhythm characterized by a slow heart rate and wide QRS complexes on an electrocardiogram (ECG). It occurs when the ventricles of the heart generate their own electrical impulses at a faster rate than the sinus node, which is responsible for normal heart rhythm. This rhythm typically occurs in response to certain conditions such as heart attack or medication toxicity, and it is usually benign and self-limiting.

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12.

Which one do you like?
- Atrial fibrillation
- Atrial flutter
- Normal sinus rhythm
- Sinus tachycardia
Correct Answer

A. Atrial flutter

Explanation

Atrial flutter is the correct answer because it is a type of abnormal heart rhythm that occurs in the atria, the upper chambers of the heart. It is characterized by a rapid and regular heartbeat, which is different from atrial fibrillation where the heartbeat is irregular. Normal sinus rhythm refers to a normal and regular heartbeat, while sinus tachycardia is an increased heart rate.

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13.

This rhythm is:
- Normal Sinus Rhythm
- Atrial Paced rhythm
- Ventricular paced Rhythm
- Sinus Bradycardia
Correct Answer

A. Ventricular paced Rhythm

Explanation

The correct answer is ventricular paced rhythm. This can be determined by analyzing the rhythm strip and identifying the presence of paced QRS complexes. In a ventricular paced rhythm, the electrical impulse originates in the ventricles and is delivered through a pacing device, bypassing the normal conduction pathway. This results in a wide and bizarre QRS complex on the ECG.

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14.

This Rhythm is:
- NORMAL SINUS RHYTHM
- NORMAL SINUS RHYTHM WITH A RUN OF V-TACH
- NORMAL SINUS RHYTHM WITH A RUN OF PVC'S
- NORMAL SINUS RHYTHM WITH A RUN OF PJC'S
Correct Answer

A. NORMAL SINUS RHYTHM WITH A RUN OF V-TACH
15.

This rhythm is:
- Normal sinus rhythm
- Agonal rhythm with p wave asystole
- Agonal rhythm
- Sinus bradycardia
Correct Answer

A. Agonal rhythm with p wave asystole
16.

This rhythm is:
- V-tach
- V-fib
- Normal sinus rhythm
- A-fib
Correct Answer

A. V-fib

Explanation

V-fib stands for ventricular fibrillation, which is a life-threatening cardiac arrhythmia. In ventricular fibrillation, the ventricles of the heart quiver or fibrillate instead of contracting effectively. This chaotic electrical activity prevents the heart from pumping blood effectively, leading to a loss of consciousness and ultimately cardiac arrest. Immediate medical intervention, such as defibrillation, is required to restore a normal heart rhythm. Therefore, v-fib is the correct answer for this question.

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17.

This rhythm is:
- V-fib
- A-fib
- V-tach
- Normal sinus rhythm
Correct Answer

A. V-tach

Explanation

The given rhythm is identified as v-tach, which stands for ventricular tachycardia. This condition is characterized by a rapid heart rate originating from the ventricles of the heart. It is different from normal sinus rhythm, which refers to the regular electrical activity of the heart. V-tach can be life-threatening and may require immediate medical intervention to restore a normal heart rhythm.

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18.

This rhythm is:
- Accelerated idioventricular rhythm
- Idioventricular rhythm
- V-fib
- Normal sinus rhythm
Correct Answer

A. Accelerated idioventricular rhythm

Explanation

An accelerated idioventricular rhythm is a type of abnormal heart rhythm where the ventricles of the heart beat at a faster rate than usual. This rhythm typically occurs when the normal electrical signals in the heart are disrupted, causing the ventricles to take over the role of the pacemaker. It is characterized by a slow heart rate, wide QRS complexes on the ECG, and a regular rhythm. This rhythm is usually benign and self-limiting, but it can be a sign of underlying heart disease or damage.

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19.

Which one do you like?
- Normal sinus
- Atrial flutter
- Atrial fibrillation
- Sinus arrythmia
Correct Answer

A. Atrial fibrillation

Explanation

Atrial fibrillation is the correct answer because it is a type of irregular heart rhythm that occurs in the atria of the heart. It is characterized by rapid and chaotic electrical signals, causing the atria to quiver instead of contracting properly. This can lead to poor blood flow and increase the risk of blood clots, stroke, and other complications. The other options, normal sinus, atrial flutter, and sinus arrhythmia, do not involve the same irregularities in heart rhythm as atrial fibrillation.

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20.

Which one do you like?
- NORMAL SINUS RHYTHM
- SINUS RHYTHM WITH A SINUS PAUSE
- SINUS ARRYTHMIA
- SINUS TACHYCARDIA
Correct Answer

A. SINUS RHYTHM WITH A SINUS PAUSE

Explanation

A sinus pause refers to a temporary interruption in the normal electrical activity of the heart's natural pacemaker, the sinus node. During a sinus pause, there is a delay or absence of a heartbeat, resulting in a pause in the heart rhythm. Sinus rhythm refers to the normal electrical activity of the heart, where the electrical signals originate from the sinus node and follow a regular pattern. Therefore, the correct answer, SINUS RHYTHM WITH A SINUS PAUSE, indicates that the heart is initially following a normal rhythm but experiences a pause in the sinus node's electrical activity.

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21.

Which one do you like?
- NORMAL SINUS
- SINUS TACHYCARDIA
- ATRIAL FIBRILLATION
- NORMAL SINUS WITH A PAC
Correct Answer

A. NORMAL SINUS WITH A PAC

Explanation

The correct answer is "NORMAL SINUS WITH A PAC." This means that the person prefers a normal sinus rhythm with a premature atrial contraction (PAC). A normal sinus rhythm refers to the normal electrical activity of the heart, while a PAC is an early heartbeat originating from the atria. This combination suggests that the person prefers a regular heart rhythm with occasional extra beats originating from the atria.

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22.

This Rhythm is:
- NORMAL SINUS RHYTHM
- NORMAL SINUS RHYTHM WITH A RUN OF V-TACH
- NORMAL SINUS RHYTHM WITH A RUN OF PVC'S
- NORMAL SINUS RHYTHM WITH A RUN OF PJC'S
Correct Answer

A. NORMAL SINUS RHYTHM WITH A RUN OF V-TACH
23.

This rhythm is:
- Normal sinus rhythm
- Agonal rhythm with cardiac arrest
- A-fib
- Asystole
Correct Answer

A. Agonal rhythm with cardiac arrest

Explanation

Agonal rhythm with cardiac arrest refers to a chaotic and irregular rhythm that occurs during cardiac arrest. It is characterized by wide and bizarre QRS complexes, absence of P waves, and a slow heart rate. This rhythm is considered a medical emergency and requires immediate intervention such as cardiopulmonary resuscitation (CPR) and defibrillation. It is important to recognize this rhythm as it indicates a life-threatening condition that requires prompt medical attention.

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24.

This rhythm is:
- Normal sinus Rhythm
- Sinus bradycardia
- Normal Sinus with multifocal PVC's
- Normal Sinus with unifocal PVC's
Correct Answer

A. Normal Sinus with unifocal PVC's

Explanation

The given answer suggests that the rhythm shown in the question is "Normal Sinus with unifocal PVC's." This means that the rhythm is a normal sinus rhythm with premature ventricular contractions (PVCs) originating from a single focus in the ventricles. PVCs are abnormal heartbeats that occur earlier than expected and can be identified by their wide and distorted QRS complex on the ECG. In this case, the PVCs are unifocal, meaning they originate from a single location in the ventricles.

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25.

This rhythm is:
- Paced rhythm
- Sinus rhythm with multifocal PVC's
- Sinus rhythm with unifocal PVC's
- V-fib
Correct Answer

A. Sinus rhythm with unifocal PVC's

Explanation

This rhythm is identified as sinus rhythm with unifocal PVC's. Sinus rhythm refers to the normal electrical activity of the heart, where the electrical impulses originate from the sinus node. PVC's (premature ventricular contractions) are extra heartbeats that originate from the ventricles. Unifocal PVC's means that the PVC's have a consistent appearance, indicating that they originate from a single ectopic focus in the ventricles. This rhythm is different from paced rhythm, sinus rhythm with multifocal PVC's, and v-fib, which have distinct characteristics that are not present in the given rhythm.

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1
26.

This rhythm is:
- Normal sinus Rhythm
- Sinus bradycardia
- Normal Sinus with multifocal PVC's
- Normal Sinus with unifocal PVC's
Correct Answer

A. Normal Sinus with unifocal PVC's

Explanation

The given answer suggests that the rhythm shown in the question is "Normal Sinus with unifocal PVC's". This means that the rhythm of the heart is normal sinus rhythm, but there are premature ventricular contractions (PVC's) occurring, which originate from a single focus in the ventricles.

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27.

This rhythm is:
- Idoiventricular Rhythm
- Normal Sinus Rhythm
- Sinus Bradycardia
- Agonal Rhythm
Correct Answer

A. Idoiventricular Rhythm
28.

This Rhythm is:
- SINUS TACHYCARDIA WITH A PVC
- SINUS TACHYCARDIA WITH A PJC
- NORMAL SINUS RHYTHM WITH A PVC
- NORMAL SINUS RHYTHM WITH A PJC
Correct Answer

A. SINUS TACHYCARDIA WITH A PVC

Explanation

The correct answer is SINUS TACHYCARDIA WITH A PVC. Sinus tachycardia refers to a faster than normal heart rate originating from the sinus node, the heart's natural pacemaker. A PVC (premature ventricular contraction) is an extra heartbeat that starts in the ventricles. In this case, the rhythm is characterized by a fast heart rate originating from the sinus node, with occasional premature ventricular contractions.

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29.

This rhythm is:
- Idoiventricular Rhythm
- Normal Sinus Rhythm
- Sinus Bradycardia
- Agonal Rhythm
Correct Answer

A. Idoiventricular Rhythm
30.

This rhythm is:
- V-fib
- Normal sinus rhythm
- V-tach
- Sinus bradycardia
Correct Answer

A. V-tach

Explanation

The correct answer is v-tach, which stands for ventricular tachycardia. Ventricular tachycardia is a type of abnormal heart rhythm characterized by a fast heart rate originating from the ventricles (lower chambers of the heart). It is typically a regular rhythm with a rate greater than 100 beats per minute. This rhythm can be life-threatening and may require immediate medical intervention.

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31.

Which one do you like?
- ATRIAL FIBRILLATION
- SUPRA VENTRICULAR TACHYCARDIA
- SINUS TACHYCARDIA
- ATRIAL FLUTTER
Correct Answer

A. SUPRA VENTRICULAR TACHYCARDIA

Explanation

Supraventricular tachycardia (SVT) is the correct answer because it is a type of abnormal heart rhythm that originates above the ventricles in the atria. Atrial fibrillation and atrial flutter are also abnormal heart rhythms, but they are specific types of arrhythmias that involve rapid and irregular contractions of the atria. Sinus tachycardia, on the other hand, is a normal increase in heart rate that occurs in response to exercise, stress, or other factors. Therefore, SVT is the most appropriate choice among the given options.

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32.

This rhythm is:
- Normal sinus rhythm
- Idioventricular rhythm
- Paced rhythm
- Sinus bradycardia
Correct Answer

A. Paced rhythm

Explanation

A paced rhythm occurs when an artificial pacemaker is used to regulate the heart's electrical impulses. In this case, the rhythm is not normal sinus rhythm because it is not originating from the sinus node. It is also not idioventricular rhythm because the rhythm is not originating from the ventricles. Sinus bradycardia refers to a slow heart rate originating from the sinus node, which is not the case here. Therefore, the correct answer is paced rhythm, indicating that an external pacemaker is controlling the heart's rhythm.

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33.

The Rate for this rhythm is:
- 10
- 20
- 30
- 40
Correct Answer

A. 20

Explanation

The rate for this rhythm is 20 because it is the only number in the given options that is repeated twice. The other numbers, 10, 30, and 40, are only mentioned once each. Therefore, the repeated number, 20, is the correct answer for the rate of this rhythm.

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34.

Which one do you like?
- SINUS RHYTHM
- SINUS ARRYTHMIA
- ATRIAL FLUTTER
- ATRIAL FIBRILLATION
Correct Answer

A. ATRIAL FIBRILLATION

Explanation

Atrial fibrillation is the correct answer because it is a type of abnormal heart rhythm characterized by rapid and irregular electrical signals in the atria. This can result in an irregular and often fast heartbeat. Sinus rhythm refers to the normal rhythm of the heart, sinus arrhythmia is a normal variation in heart rate, and atrial flutter is a type of abnormal heart rhythm characterized by a fast and regular heartbeat.

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35.

Which one do you like?
- NORMAL SINUS
- SINUS TACHYCARDIA
- NORMAL SINUS WITH A PAC
- SINUS BRADYCARDIA
Correct Answer

A. NORMAL SINUS WITH A PAC

Explanation

The correct answer is "NORMAL SINUS WITH A PAC." This means that the person likes a normal sinus rhythm with a premature atrial contraction (PAC). A normal sinus rhythm refers to the regular electrical activity of the heart, while a PAC is an early heartbeat originating from the atria. Therefore, the person prefers a normal rhythm with occasional premature contractions from the atria.

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36.

This rhythm is:
- Sinus bradycardia
- Agonal rhythm
- Asystole
- A-fib
Correct Answer

A. Agonal rhythm

Explanation

Agonal rhythm refers to a chaotic and irregular pattern of electrical activity in the heart. It is often seen in individuals who are in the late stages of cardiac arrest or experiencing a severe medical emergency. Agonal rhythm is characterized by a slow and irregular heartbeat, which can lead to inadequate blood flow and oxygenation to the body's vital organs. This rhythm is considered life-threatening and requires immediate medical intervention.

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37.

This Rhythm is:
- V-tach
- V-fib
- Svt
- Normal sinus rhythm
Correct Answer

A. V-fib

Explanation

V-fib stands for ventricular fibrillation, which is a life-threatening cardiac arrhythmia. In ventricular fibrillation, the heart's ventricles quiver instead of pumping blood effectively. This chaotic rhythm results in a rapid and irregular heartbeat, leading to a loss of consciousness and cardiac arrest if not treated immediately. V-fib requires prompt defibrillation to restore a normal heart rhythm and save the person's life.

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38.

This Rhythm is:
- IDIOVENTRICULAR RHYTHM
- NORMAL SINUS RHYTHM
- PACED RHYTHM
- JUNCTIONAL BRADYCARDIA
Correct Answer

A. PACED RHYTHM

Explanation

The correct answer is PACED RHYTHM. Paced rhythm refers to an artificial stimulation of the heart using a pacemaker. In this rhythm, the electrical impulses that regulate the heartbeat are generated by an external device rather than the heart's natural pacemaker. This can be done to correct or regulate abnormal heart rhythms or to provide support to a weak or damaged heart. In a paced rhythm, the electrical signals are delivered at a consistent rate, resulting in a regular and steady heartbeat.

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39.

This Rhythm is:
- V-tach
- V-fib
- Svt
- Normal sinus rhythm
Correct Answer

A. V-fib

Explanation

V-fib stands for ventricular fibrillation, which is a life-threatening cardiac arrhythmia. In ventricular fibrillation, the heart's ventricles quiver instead of contracting effectively, leading to the absence of a coordinated heartbeat. This results in a rapid and irregular rhythm that can cause the heart to stop pumping blood. Immediate medical intervention, such as defibrillation, is necessary to restore a normal heart rhythm and prevent cardiac arrest.

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40.

Which one do you like?
- SINUS BRADYCARDIA
- ATRIAL FIBRILLATION
- ATRIAL FLUTTER
- SINUS ARRYTHMIA
Correct Answer

A. ATRIAL FIBRILLATION

Explanation

Atrial fibrillation is the correct answer because it is a cardiac arrhythmia characterized by an irregular and often rapid heart rate. It occurs when the electrical signals in the atria (upper chambers of the heart) are chaotic and disorganized, causing the atria to quiver instead of contracting normally. This can lead to blood pooling in the atria and an increased risk of blood clots. Symptoms of atrial fibrillation can include palpitations, shortness of breath, dizziness, and fatigue. Treatment options may include medication, cardioversion, or catheter ablation.

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41.

This rhythm is:
- V-tach
- V-fib
- Normal sinus rhythm
- A-fib
Correct Answer

A. V-fib
42.

This rhythm is:
- Agonal rhythm
- Idioventricular rhythm
- Normal sinus rhythm
- Sinus bradycardia
Correct Answer

A. Idioventricular rhythm

Explanation

An idioventricular rhythm is characterized by a slow heart rate (usually below 40 beats per minute) and originates from the ventricles instead of the usual sinus node in the atria. This rhythm is often seen in cases of severe heart block or when the sinus node fails to generate electrical impulses. It is usually a backup rhythm and can occur in situations of decreased oxygen supply to the heart or during certain medication use.

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43.

This rhythm is:
- Paced rhythm
- Atrial paced rhythm
- Ventricular paced rhythm
- Normal sinus rhythm
Correct Answer

A. Atrial paced rhythm

Explanation

In an atrial paced rhythm, the electrical signals that initiate the heartbeat originate from an artificial pacemaker in the atria. This means that the natural pacemaker of the heart, the sinus node, is not responsible for initiating the heartbeat. Instead, the artificial pacemaker sends electrical signals to the atria, causing them to contract and initiate the heartbeat. This rhythm can be identified on an electrocardiogram (ECG) by the presence of a pacemaker spike before each P wave, indicating that the atria are being paced.

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44.

This rhythm is:
- V-tach
- V-fib
- Torsodes de pointe
- Normal Sinus Rhythm
Correct Answer

A. V-fib

Explanation

The correct answer is V-fib, which stands for ventricular fibrillation. Ventricular fibrillation is a life-threatening cardiac arrhythmia characterized by chaotic and irregular electrical activity in the ventricles of the heart. This results in ineffective pumping of blood and can lead to cardiac arrest. It is important to identify and treat V-fib promptly with defibrillation to restore normal heart rhythm and prevent further complications.

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1
45.

This rhythm is:
- V-tach
- V-fib
- Torsodes de pointe
- Normal Sinus Rhythm
Correct Answer

A. V-fib

Explanation

V-fib stands for ventricular fibrillation, which is a life-threatening cardiac arrhythmia. In ventricular fibrillation, the ventricles of the heart quiver instead of contracting properly, leading to a loss of effective blood flow. This condition can cause sudden cardiac arrest and requires immediate medical intervention, such as defibrillation, to restore a normal heart rhythm.

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46.

This Rhythm is:
- Bigeminy PVC's
- Trigeminy PVC's
- Normal Sinus Rhythm
- V-Fib
Correct Answer

A. Bigeminy PVC's

Explanation

The correct answer is bigeminy PVC's. Bigeminy refers to a cardiac rhythm in which every other beat is a premature ventricular contraction (PVC). PVC's are abnormal heartbeats that originate in the ventricles instead of the normal sinus node. In bigeminy, the PVC's occur in a repetitive pattern, with one normal beat followed by one PVC. This rhythm can be identified on an ECG by the presence of PVC's occurring in a regular pattern.

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47.

Which one do you like?
- NORMAL SINUS
- ATRIAL FIBRILLATION
- SVT
- SINUS TACHYCARDIA
Correct Answer

A. SVT

Explanation

SVT stands for Supraventricular Tachycardia, which is a type of abnormal heart rhythm. It occurs when the electrical signals in the heart's upper chambers (atria) misfire, causing a rapid heart rate. SVT is different from normal sinus rhythm, which is the normal electrical activity of the heart, and from atrial fibrillation, which is a chaotic and irregular heart rhythm. Sinus tachycardia is a fast heart rate that originates from the sinus node, the heart's natural pacemaker. Among these options, SVT is the correct answer as it specifically refers to a specific type of abnormal heart rhythm.

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48.

Which one do you like?
- SINUS RHYTHM
- SINUS RHYTHM WITH A PAC
- SINUS ARRYTHMIA
- SINUS TACHYCARDIA
Correct Answer

A. SINUS RHYTHM WITH A PAC

Explanation

Sinus rhythm refers to the normal electrical activity of the heart, where the electrical signals originate from the sinoatrial (SA) node. A premature atrial contraction (PAC) occurs when there is an early heartbeat originating from an atrial focus. In this case, the correct answer suggests that the ECG shows a normal sinus rhythm with an additional premature atrial contraction. Sinus arrhythmia refers to a normal variation in the heart rate, while sinus tachycardia refers to a faster than normal heart rate.

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49.

This Rhythm is:
- Bigeminy PVC's
- Trigeminy PVC's
- Normal Sinus Rhythm
- V-Fib
Correct Answer

A. Bigeminy PVC's

Explanation

The correct answer is bigeminy PVC's. In bigeminy PVC's, every other beat is a premature ventricular contraction (PVC), which is an abnormal heartbeat originating from the ventricles. This rhythm is characterized by a regular pattern of a normal sinus beat followed by a PVC, resulting in a "normal-PVC-normal-PVC" pattern on an ECG.

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