Cardiac output

HR stim

Stroke vol. stim

Cardiac Pacemaker

Atrium/Ventricle/SANs depolarisation

E activity pathway

Lead II position

ECG reading

P wave

PR interval

QRS complex

T wave

QT duration

The heart is a functional what now, sonny boy?
I say young whippersnapper, the heart is a functional what now?

Well I'll be! Crazy how advanced science is these days. Now say now sonny boy, just how do they do that?

Why is relaxation co-ordinated w/ excitation?

What do valves ensure?

Systole

Diastole

Events of cardiac cycle

Diagram of valve opening shutting

Dynamic Pressure-Volume relationship in left ventricle

PS Stim on SAN pacemaker activity

S stim

Cardiac Cycle

Diastole