🫀 Stroke Volume (SV) Explained in Seconds | Cardiac Physiology Made Easy

🫀 Stroke Volume (SV) = Amount of blood ejected by a ventricle with each heartbeat!

📚 Key Formula:
SV = EDV − ESV

Where:
✅ EDV = End-Diastolic Volume (before contraction)
✅ ESV = End-Systolic Volume (after contraction)

🧠 Stroke Volume is determined by:
🔹 Preload
🔹 Contractility
🔹 Afterload

💪 Stroke Work (SW) represents the work the heart performs during one heartbeat and is closely related to the area within the Pressure-Volume (PV) Loop.

🚨 High-Yield Clinical Correlations:
🫀 Hypertension → Increased Afterload
💔 Heart Failure → Reduced Contractility
⚡ Aortic Stenosis → Increased Ventricular Workload

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