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Related Concept Videos

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...
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
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: 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 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...
Heart Failure Drugs: Inotropic Agents01:26

Heart Failure Drugs: Inotropic Agents

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 10, 2026

Bedside Ultrasound for Guiding Fluid Removal in Patients with Pulmonary Edema: The Reverse-FALLS Protocol
07:59

Bedside Ultrasound for Guiding Fluid Removal in Patients with Pulmonary Edema: The Reverse-FALLS Protocol

Published on: July 28, 2018

[Diuretic therapy in heart failure].

Joan Carles Trullàs1, José Luís Morales-Rull2, Francesc Formiga3

  • 1Servicio de Medicina Interna, Hospital Sant Jaume d'Olot, Universitat de Girona, Girona, España.

Medicina Clinica
|June 18, 2013
PubMed
Summary
This summary is machine-generated.

Diuretic therapy is crucial for managing fluid retention in heart failure (HF). This review examines diuretic mechanisms, evidence, and strategies to overcome diuretic resistance in HF patients.

Keywords:
Congestive Heart FailureDiureticsDiuréticosHeart failureInsuficiencia Cardiaca CongestivaInsuficiencia cardiaca

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Last Updated: May 10, 2026

Bedside Ultrasound for Guiding Fluid Removal in Patients with Pulmonary Edema: The Reverse-FALLS Protocol
07:59

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Published on: July 28, 2018

A Pacing-Controlled Procedure for the Assessment of Heart Rate-Dependent Diastolic Functions in Murine Heart Failure Models
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Published on: July 21, 2023

Area of Science:

  • Cardiology
  • Pharmacology

Context:

  • Fluid retention is a primary clinical manifestation of heart failure (HF).
  • Diuretic therapy is a cornerstone of managing congestion in HF patients.
  • Limited evidence exists from randomized studies to guide diuretic use.

Purpose:

  • To review the mechanism of action of available diuretic classes.
  • To examine the clinical use of diuretics based on scientific evidence.
  • To discuss strategies for overcoming diuretic resistance in HF.

Summary:

  • Diuretics are widely prescribed for HF, yet chronic use, especially in advanced stages, can lead to diuretic resistance.
  • Understanding diuretic mechanisms and evidence-based use is essential for effective congestion management.
  • Strategies to overcome resistance are critical for optimizing HF treatment.

Impact:

  • Provides a comprehensive overview of diuretic therapy in HF management.
  • Highlights the need for evidence-based diuretic strategies.
  • Offers insights into managing diuretic resistance for improved patient outcomes.