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Related Concept Videos

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
Antihypertensive Drugs: Angiotensin II Receptor Blockers01:30

Antihypertensive Drugs: Angiotensin II Receptor Blockers

In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
Heart Failure Drugs: β-Blockers01:22

Heart Failure Drugs: β-Blockers

β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation, vasodilation, and...
Dose-Response Relationship: Potency and Efficacy01:22

Dose-Response Relationship: Potency and Efficacy

The potency of a drug is the measure of its ability to produce a biological response and can be compared by looking at the half-maximum effective concentration or EC50 values of different drugs. A lower EC50 value indicates higher potency of the drug. In the dose–response curve of two antihypertensive drugs, candesartan and irbesartan, a significant difference is observed in their EC50 values. A lower EC50 value for candesartan indicates that it is more potent than irbesartan, as it produces...

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Related Experiment Video

Updated: Jul 9, 2026

Cardiac Pressure-Volume Loop Analysis Using Conductance Catheters in Mice
08:15

Cardiac Pressure-Volume Loop Analysis Using Conductance Catheters in Mice

Published on: September 17, 2015

Candesartan in heart failure.

Toni L Ripley1, Jennifer S Chonlahan, Robin E Germany

  • 1University of Oklahoma College of Pharmacy, Oklahoma City, OK 73190, USA. toni-ripley@ouhsc.edu

Clinical Interventions in Aging
|December 1, 2007
PubMed
Summary
This summary is machine-generated.

Candesartan cilexetil effectively treats systolic heart failure. While safe and well-tolerated, its efficacy in diastolic heart failure requires further investigation.

Related Experiment Videos

Last Updated: Jul 9, 2026

Cardiac Pressure-Volume Loop Analysis Using Conductance Catheters in Mice
08:15

Cardiac Pressure-Volume Loop Analysis Using Conductance Catheters in Mice

Published on: September 17, 2015

Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Candesartan cilexetil is a selective angiotensin II receptor blocker (ARB).
  • It is approved for heart failure treatment.
  • This review evaluates its use in heart failure patients.

Purpose of the Study:

  • To review the evidence for candesartan cilexetil in heart failure.
  • To assess its efficacy and safety in different heart failure types.

Main Methods:

  • Literature search of MEDLINE using OVID and PubMed.
  • Inclusion of pharmacologic, pharmacokinetic, and clinical trial data.

Main Results:

  • Clinical evidence supports candesartan's use in systolic heart failure.
  • Non-significant results were observed for diastolic heart failure.
  • Common adverse events included hyperkalemia, renal dysfunction, and hypotension.

Conclusions:

  • Candesartan cilexetil is a safe and effective treatment for systolic heart failure.
  • Further research is needed on ARBs combined with ACE inhibitors.
  • Efficacy data for other ARBs is pending.