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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 II: Pathophysiology01:29

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...
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
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...

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Related Experiment Video

Updated: May 29, 2026

A Mouse 5/6th Nephrectomy Model That Induces Experimental Uremic Cardiomyopathy
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[Cardiorenal syndromes].

István Késöi1, Balázs Sági, Tibor Vas

  • 1Pécsi Tudományegyetem, Általános Orvostudományi Kar, Klinikai Központ II. Belgyógyászati Klinika és Nefrológiai Centrum, Komló.

Orvosi Hetilap
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PubMed
Summary

A new classification system for cardiorenal syndrome has been developed, categorizing five subtypes based on the interplay between heart and kidney dysfunction. This framework aids in precise patient identification and targeted treatment strategies for coexisting cardiac and renal diseases.

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Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches
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Published on: September 5, 2025

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Last Updated: May 29, 2026

A Mouse 5/6th Nephrectomy Model That Induces Experimental Uremic Cardiomyopathy
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A Mouse 5/6th Nephrectomy Model That Induces Experimental Uremic Cardiomyopathy

Published on: November 7, 2017

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches
06:51

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches

Published on: September 5, 2025

Area of Science:

  • Cardiorenal medicine
  • Nephrology
  • Cardiology

Context:

  • Cardiac and kidney diseases frequently coexist, presenting complex clinical challenges.
  • Existing classifications may not fully capture the intricate relationship between these organ systems.

Purpose:

  • To introduce a novel classification system for cardiorenal syndrome and its subtypes.
  • To provide a standardized framework for understanding and diagnosing cardiorenal conditions.

Summary:

  • Cardiorenal syndromes are classified into five subtypes: Type-1 (acute cardiorenal), Type-2 (chronic cardiorenal), Type-3 (acute renocardiac), Type-4 (chronic renocardiac), and Type-5 (secondary cardiorenal).
  • Each subtype is defined by the primary organ affected (heart or kidney), the chronicity of the dysfunction (acute or chronic), or simultaneous systemic disease.
  • This classification differentiates conditions based on whether cardiac dysfunction leads to kidney injury or vice versa, or if both occur concurrently due to systemic illness.

Impact:

  • Facilitates accurate patient phenotyping by cardiologists, nephrologists, and intensivists.
  • Enables more precise diagnosis and targeted therapeutic interventions for patients with combined cardiac and renal impairment.
  • Improves clinical management by clarifying the pathophysiological mechanisms underlying different cardiorenal syndromes.