Podcast
Questions and Answers
During which phase of the cardiac cycle does the aortic and pulmonary valves open?
During which phase of the cardiac cycle does the aortic and pulmonary valves open?
- Isovolumetric Ventricular Relaxation
- Isovolumetric Ventricular Contraction (correct)
- Atrial Contraction
- Ventricular Ejection
Which ECG wave corresponds to ventricular repolarization?
Which ECG wave corresponds to ventricular repolarization?
- R wave
- P wave
- T wave (correct)
- QRS complex
What contributes to the completion of ventricular filling?
What contributes to the completion of ventricular filling?
- Ventricular Ejection
- Isovolumetric Ventricular Relaxation
- Isovolumetric Ventricular Contraction
- Atrial Contraction (correct)
What causes an increase in pressure but no change in volume during the cardiac cycle?
What causes an increase in pressure but no change in volume during the cardiac cycle?
Flashcards
Aortic/Pulmonary Valves Open
Aortic/Pulmonary Valves Open
Isovolumetric Ventricular Contraction
Ventricular Repolarization ECG Wave
Ventricular Repolarization ECG Wave
T wave
Completes Ventricular Filling
Completes Ventricular Filling
Atrial Contraction
Increased Pressure, No Volume Change
Increased Pressure, No Volume Change
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Study Notes
Cardiac Cycle
- Aortic and pulmonary valves open during the systole phase of the cardiac cycle.
ECG Waves
- The T wave corresponds to ventricular repolarization.
Ventricular Filling
- Ventricular filling is completed by the combination of atrial contraction and venous return.
Pressure and Volume Changes
- Isometric contraction causes an increase in pressure but no change in volume during the cardiac cycle.
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