Cardiac Output (Preload, Afterload, Stroke Volume, Heart Rate) | Critical Care Nursing

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In this educational video for critical care nurses, we break down the concept of cardiac output (CO) — what it is, how it’s calculated, and the key factors that influence it. You'll gain a solid understanding of stroke volume, heart rate, preload, afterload, and contractility, all of which play a vital role in hemodynamic stability and patient care in the ICU.

Whether you're a new nurse in critical care or brushing up on core concepts for CCRN prep, this video simplifies complex cardiovascular physiology in a way that makes it easy to understand and apply at the bedside.

🔍 Topics Covered:

Cardiac Output Formula (CO = HR x SV)

Stroke Volume: What it is and what affects it

Heart Rate and its impact on CO

Preload vs. Afterload explained

Contractility and inotropic influence on cardiac performance

Real-world application for ICU, ER, and all critical care nurses

💡 Perfect for:

ICU nurses

ER nurses

CCRN exam prep

Nursing students

New grad RNs in step-down or telemetry units

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