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PHYSIOLOGY OF HEART - Coggle Diagram
PHYSIOLOGY OF HEART
Normal ECG Wave
P Wave: Represents atrial depolarization (contraction). It shows the electrical activity spreading through the atria.
QRS Complex: Represents ventricular depolarization (contraction). It shows the electrical activity spreading through the ventricles.
T Wave: Represents ventricular repolarization (relaxation). It shows the recovery of the ventricles.
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Relation of Conduction System to P, QRS, and T Waves in Normal ECG
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Cardiac Output
Regulation of Stroke Volume: The amount of blood ejected by the left ventricle in one contraction. Influenced by preload, afterload, and contractility.
Regulation of Heart Rate: Controlled by the autonomic nervous system (sympathetic and parasympathetic branches) and hormones (e.g., epinephrine)
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