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Related Concept Videos

Dysrhythmias VII: Nursing Management of Dysrhythmias01:25

Dysrhythmias VII: Nursing Management of Dysrhythmias

Nursing management of dysrhythmias involves the following:AssessmentSubjective Assessment:The initial step involves gathering patient-reported symptoms such as dizziness, palpitations, and chest discomfort. It is crucial to collect a detailed history, including previous heart conditions, current medication use, and lifestyle factors like caffeine and alcohol consumption.Objective Assessment:This involves observing clinical signs such as jugular venous distention, cool and pale skin, and...
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...

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Related Experiment Video

Updated: Jul 16, 2026

Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding
10:39

Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding

Published on: August 30, 2024

Arrhythmias in Patients with Cancer: Pathophysiology, Risk Stratification and Clinical Implications.

Massimiliano Camilli1, Cristina Madaudo2, Andrea Tedeschi3

  • 1Department of Cardiovascular Sciences, A. Gemelli University Policlinic Foundation IRCCS, Rome, Italy; Department of Cardiovascular & Thoracic Sciences, Catholic University of the Sacred Heart, Rome, Italy.

Trends in Cardiovascular Medicine
|July 14, 2026
PubMed
Summary

Cancer therapies and malignancies can cause serious heart rhythm problems, known as arrhythmias. Early detection and management are crucial for patient outcomes in cardio-oncology.

Keywords:
Arrhythmic riskarrhythmias managementcancer patientscardio-oncologymultidisciplinary carerisk stratification

Related Experiment Videos

Last Updated: Jul 16, 2026

Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding
10:39

Rat Model of Right-Sided Cardiac Remodeling and Arrhythmia Using Pulmonary Artery Banding

Published on: August 30, 2024

Area of Science:

  • Cardio-oncology
  • Cardiovascular complications in cancer patients

Background:

  • Arrhythmias are increasingly recognized as significant cardiovascular complications in cancer patients.
  • Previously underestimated, arrhythmias like atrial fibrillation (AF) and ventricular arrhythmias (VA) now play a major role in cardio-oncology due to their prognostic impact and effect on treatment continuity.

Purpose of the Study:

  • To highlight the growing importance of arrhythmias in cancer care.
  • To discuss the association between specific cancer therapies and arrhythmic risk.
  • To propose a framework for early detection and intervention of arrhythmias in cancer patients.

Main Methods:

  • Review of current literature on cancer therapies and associated arrhythmias.
  • Identification of specific drug classes linked to increased arrhythmic risk (e.g., anthracyclines, ICIs, BTK inhibitors, CDK4/6 inhibitors).
  • Discussion of mechanisms, including cytokine-mediated inflammation and stress-induced syndromes like Takotsubo.

Main Results:

  • Certain cancer treatments (anthracyclines, ICIs, BTK inhibitors, CDK4/6 inhibitors) are associated with various arrhythmias, including QT prolongation (QTp), AF, and VA.
  • Cellular therapies can lead to AF via myocardial inflammation.
  • Takotsubo syndrome in cancer patients can present with early arrhythmic complications.

Conclusions:

  • Awareness, prevention, and individualized management of arrhythmias are essential for optimizing outcomes in cancer patients.
  • ECG surveillance and multidisciplinary follow-up are key components of arrhythmia management.
  • A proposed six-step framework aims to facilitate early detection and prompt intervention.