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Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

16
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
16
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

1.6K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Related Experiment Video

Updated: Jul 23, 2025

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
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Left ventricular ejection fraction in women: when normal isn't normal

Carolyn S P Lam1,2, Peder Langeland Myhre3,4

  • 1National Heart Centre Singapore, Singapore carolyn.lam@duke-nus.edu.sg.

Heart (British Cardiac Society)
|July 12, 2023
PubMed
Summary

No abstract available in PubMed .

Keywords:
Cardiac Imaging Techniques

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