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Related Concept Videos

Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

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Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
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Heart Failure Drugs: Inotropic Agents01:26

Heart Failure Drugs: Inotropic Agents

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Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
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Related Experiment Video

Updated: May 23, 2025

Evaluation of Cardiac Contractility Modulation Therapy in 2D Human Stem Cell-Derived Cardiomyocytes
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Cardiac Contractility Modulation Therapy and Device Algorithm-related Challenges.

Farman Ali1, Khurram Arshad1, Rabia Latif2

  • 1Department of Cardiology, Corewell Health Dearborn Hospital, Dearborn, MI, USA.

The Journal of Innovations in Cardiac Rhythm Management
|March 7, 2025
PubMed
Summary
This summary is machine-generated.

Cardiac contractility modulation (CCM) offers a promising treatment for heart failure with reduced ejection fraction (HFrEF). This article emphasizes the need for provider training and a troubleshooting algorithm to optimize CCM device management for better patient outcomes.

Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Heart failure (HF) is a critical condition with high morbidity, mortality, and reduced quality of life.
Keywords:
Algorithm problemscardiac contractility modulationcase seriesheart failure

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  • HF with reduced ejection fraction (HFrEF) significantly impacts patients' functional capacity and healthcare costs.
  • Cardiac contractility modulation (CCM) is an emerging device-based therapy for HFrEF.