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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
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The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
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Heart Failure VI: Adjunct Therapies01:22

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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.
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Errors occurring during blood pressure monitoring01:25

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The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...
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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...
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Rising Exception Requests in the Current Heart Allocation System.

Erin Flattery1, Suhani S Patel1, Stephanie Golob1

  • 1Department of Medicine, Division of Cardiology, Langone Health, Grossman School of Medicine, New York University, New York, New York, USA.

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Summary
This summary is machine-generated.

Despite policy updates, heart transplant exception requests have significantly increased, particularly for higher statuses. This trend highlights allocation inequities and the need for policy refinement to ensure fair access to transplants.

Keywords:
heart failureheart transplantation

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Area of Science:

  • Cardiology
  • Transplant Surgery
  • Health Policy

Background:

  • The 2018 heart allocation policy aimed to reduce exception requests.
  • However, there has been a notable increase in exception requests since its implementation.

Purpose of the Study:

  • To evaluate trends in heart transplant exception use over six years.
  • To identify associated clinical factors, temporal changes, and impacts on waitlist outcomes.

Main Methods:

  • Retrospective analysis of adult heart transplant candidates (2018-2024).
  • Stratification by exception use, listing era, and region.
  • Statistical comparison of exception use and logistic regression for associations.
  • Competing risks framework for time to transplant and waitlist mortality.

Main Results:

  • 38.6% of 26,330 candidates used exceptions, with a significant increase over time.
  • Exception use was higher in Black, non-Hispanic candidates and those with blood type O.
  • Exception candidates were more likely to be listed and removed at higher priority statuses (1 or 2).

Conclusions:

  • Rising exception use indicates limitations in current allocation criteria.
  • Disparities in exception use suggest inequities in access to higher listing statuses.
  • Policy refinement is necessary for equitable heart allocation balancing medical urgency.