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Heart Failure Drugs: Diuretics

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 Drugs: Inhibitors of Renin-Angiotensin System

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...

Hormonal Regulation of Blood Pressure

Hormonal Regulation of Blood Pressure

Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction while...

Heart Failure II: Pathophysiology

Heart Failure II: Pathophysiology

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...

Heart Failure V: Medical Management

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...

Pulmonary Edema II: Pathophysiology

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Pulmonary edema is the accumulation of fluid in the interstitial and alveolar spaces of the lungs, impairing gas exchange and oxygen delivery. It may be cardiogenic or noncardiogenic, but both reduce oxygenation and lung compliance.Cardiogenic Pulmonary EdemaCardiogenic edema results from increased hydrostatic pressure in pulmonary capillaries, usually due to left ventricular dysfunction from myocardial infarction, heart failure, or valvular disease. Ineffective cardiac pumping causes blood to...

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Related Experiment Video

Updated: Jul 15, 2026

Invasive Hemodynamic Monitoring of Aortic and Pulmonary Artery Hemodynamics in a Large Animal Model of ARDS

Invasive Hemodynamic Monitoring of Aortic and Pulmonary Artery Hemodynamics in a Large Animal Model of ARDS

Published on: November 26, 2018

Atrial natriuretic factor in edematous disorders.

¹Department of Medicine, Ohio State University College of Medicine and Hospital, Columbus 43210.

Annual Review of Medicine

|January 1, 1990

Summary

Atrial natriuretic factor (ANF) is a peptide hormone secreted by the heart. It plays a key role in regulating sodium excretion and acts on multiple organs.

Area of Science:

Cardiology
Endocrinology
Physiology

Background:

Atrial natriuretic factor (ANF) is recognized as a crucial peptide hormone.
It is actively secreted by the heart and influences sodium excretion.
ANF is considered the "third factor" in sodium balance regulation.

Purpose of the Study:

To provide an overview of atrial natriuretic factor (ANF).
To highlight its role as a cardiac hormone.
To discuss its function in sodium excretion.

Main Methods:

Literature review of existing research on ANF.
Analysis of ANF's physiological effects.
Discussion of ANF's role in cardiovascular regulation.

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

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Isolation of Atrial Myocytes from Adult Mice

Isolation of Atrial Myocytes from Adult Mice

Published on: July 25, 2019

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Last Updated: Jul 15, 2026

Invasive Hemodynamic Monitoring of Aortic and Pulmonary Artery Hemodynamics in a Large Animal Model of ARDS

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Published on: November 26, 2018

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

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Published on: July 28, 2018

Isolation of Atrial Myocytes from Adult Mice

Isolation of Atrial Myocytes from Adult Mice

Published on: July 25, 2019

Main Results:

ANF is a peptide hormone secreted by the heart.
It acts as a key regulator of sodium excretion.
ANF demonstrates effects on multiple target organs.

Conclusions:

ANF is the first documented cardiac hormone.
It plays a significant role in maintaining sodium balance.
Further research into ANF's functions is warranted.