General Animal Physiology Course Syllabus
Biology 436
 
Lecture 19:  Cardiac Physiology - Cardiac Cycle

Sherwood: Chapter 9

Objective:  The action potential of contractile cardiac muscle cells shows a characteristic plateau.

1.  Atrial excitation and contraction
        a.  interatrial pathway
        b.  internodal pathway
2.  Ventricular excitation
        a.  AV nodal delay
3.  Electrocardiogram  (ECG)
        a.  P wave, QRS complex, T wave
4.  Mechanical events of the cardiac cycle
        a.  systole
        b.  diastole
        c.  end-diastolic volume
        d.  end-systolic volume
        e.  stroke volume
5.  Cardiac output and its control
        a.  heart rate
        b.  cardiac output
        c.  Frank-Starling curve

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