Learning Objectives
- Explain the mechanical events of the cardiac cycle
- Describe the cardiac cycle as summarised in the Wiggers diagram
- Describe the heart sounds and their genesis
- Compare and contrast the atrial, ventricular and aortic pressure waves
- Compare and contrast the atrial and ventricular volume curves
- Integrate the events of the ECG with the cardiac cycle
- Define cardiac output, heart rate, stroke volume, and describe how these parameters are regulated
- what is diastole?
- what is systole?
- what is end-diastolic volume (EDV)? value?
- what is end-systolic volume (ESV)? value?
- what is stroke volume (SV)? value?
- what is heart rate (HR)?
- what is cardiac output (CO)?
Cardiac Loads & The Frank-Starling Curve