Anatomy of the Heart - ECG
SA node
AV node
QRS complex
Purkinje
P-R interval
Repolarization
Depolarization
P wave
T wave
QRS complex
Purkinje
SA node
AV node
P wave
T wave
QRS complex
AV node
T wave
P-R interval
Depolarization
P wave
T wave
SA node
AV node
QRS complex
Rising ventricular pressure during ventricular contraction
Rising atrial pressure
Rising pressure in the pulmonary artery and aorta
Increasing oxygen saturation of the hemoglobin
The semilunar valves are open
The AV valves are closed
The QRS complex is "happening"
The ventricles are relaxed
Heart block
Pericardial effusion
Friction rub
Fibrillation
Heart rate is too fast
Heart rate is too slow
The signal traveling from the atria to the ventricles is abnormally slow
There is an ectopic focus
Vibrations caused by closure of the valves
Firing of the SA node
Movement of blood through holes in the interventricular septum
Flow of blood through the coronary blood vessels
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