Based off Nancy Caroline's Emergency Care in the streets Chapter 27.
Epicardium,myocardium,and endocardium
Endocardium,epicardium, and myocardium
Myocardium,epicardium, andendocardium
Epicardium,ednocardium, and myocardium
The aortic valve
Semilunar valve
The pulmonic valve
Atrioventricular valve
During systole
During diastole
When the semilunar valves are open
When the atrioventricular valves close
The blood that flows passively into the ventricles
Pressure on the atrioventricular valves during ventricular contraction
An attempt of the atria to contract against closed valves
20% of ventricular filling caused by atrial contraction
It receives blood exclusively from the venae cavae
The right side of the heart is a low pressure pump
It pumps against the high resistance of the pulmonary circulation
The right side of the heart pumps blood through the pulmonary veins
Drives blood out of the heart against the relatively high resistance of the systemic circulation
Is a high-pressure pump that sends blood through the pulmonary circulation and to the lungs
Is a relatively low pressure pump that must stretcher its walls in order to force blood through the aorta
Drives blood out of the heart against the relatively low resistance of the pulmonary circulation
Tunica media
Tunica intima
Tunica adventitia
Arterial lumen
Do not contain valves that prevent backflow of blood
Have less capacity to increase the size of their diameter
Are more likely to distend when exposed to back pressure
Operate on the high-pressure side of the circulatory system
Ejection fraction
Cardiac output
Stroke volume
Minute volume
Has a relatively fixed stroke volume
Has an average stroke volume of 40 ml
Can double stroke volume if demand is high
Can easily increase stroke volume by 50%
Heart rate
Stroke volume
Heart rate and or stroke volume
Ejection fraction and heart rate
Contractility
Chonotropy
Automaticity
Frank-starling effect
Stroke volume
Blood pressure
Cardiac output
The heart rate
Vasoactive
Dromotropic
Inotropic
Chronotropic
Generate an electrical impulse from the same site every time
Spontaneously conduct an electrical impulse between cardiac cells
Generate its own electrical impulses without stimulation from nerves
Increas or decrease its heart rate based on the body's metabolic need
The SA node is the dominant cardiac pacemaker in healthy patients
The SA node is a backup cardiac pacemaker in healthy patients
The SA node is located in the superior aspect of the right ventricle
Impulses generated by the SA node travel through the right atrium only
Includes the AV node but not the bundle of His
Is the dominant and fastest pacemaker of the heart
Reveives its blood supply from the circumflex artery
Is composed of the AV node and the bundle of His
Bundle of His can depolarize fully
Ventricles can contract completely
Primary cardiac pacemaker can reset
Atria can empty into the ventricles
Inotropic
Dromotropic
Chronotropic
Conductivity
Bundle branches
Internodal pathways
Pukinje fibers
Cardiac myocytes
Cannot depolarize faster than 100 times/min
Will normally outpace any slower conduction tissue
Functions as the heart's secondary pacemaker
Has an intrinsic firing rate of 40-60 beats per minute
SA nodal discharge
Atrial depolarization
A depaly at the AV node
Contraction of the atria
Depolarization of the inferior part of the atria
The period of time when the atria are repolarizing
Full dispersal of electricity throughout both atria
A momentary conduction delay at the AV junction
T waves
ST segment
QRS complex
U wave
Negative inotropy
Increased salsivation
Dilation of the pupils
Negative chronotropy
Wait!
Here's an interesting quiz for you.