Cardiac Cycle Flashcards
Which if the following are not part of the cardiac conduction system:
Bundle of his, SA node, coronary arteries, purkinje fibres, AV node, septum
Coronary arteries and septum
Blood pours into the heart during …
Ventricular-atrial diastole
Which vessels return blood to the heart?
Superior vena cava, pulmonary vein and inferior vena cava
The atrio-ventricular valves are closed during …
Ventricular systole
The coronary arteries have maximum blood flow during …
Ventricular diastole
The heart sounds correspond to the …
Closing of heart valves
The pulmonary artery emerges from the …
Right ventricle
The QRS spike on the ECG trace corresponds to the period of …
Atrial repolarisation and ventricular depolarisation
The semi-lunar valves are close during …
Ventricular diastole and atrial diastole
The stimulus for cardiac contraction originates in the …
SA node