Cardiac Case Lab

Part 1: Heart Failure Simulator

Ventricle wall Blood in the ventricle Fluid in lungs or legs This heart's Starling curve Healthy curve (dashed)

Step 1

Step 2

Preload (filling pressure)

Contractility (squeeze)

Afterload (pressure to push against)

Wall stiffness

Heart rate

Right ventricle also weak (right-sided failure)

Step 3

Simulator readouts
Measure	Value

SA and AV nodes Electrical signal Conduction pathway ECG trace Blocked beat (red x)

Rhythm features
Feature	Value

Findings and labs
Test	Result	What it means

All patients are fictional adults. Values are rounded teaching values.