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Related Concept Videos

Disturbances in Heart Rhythm01:28

Disturbances in Heart Rhythm

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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.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow...
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Cancer Prevention02:59

Cancer Prevention

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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
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Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

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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.
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Cancer Survival Analysis01:21

Cancer Survival Analysis

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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
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Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

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Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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Increased pulse rate01:17

Increased pulse rate

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Tachycardia is a condition marked by an abnormally fast or irregular heart rate, surpassing the typical resting rate. In adults, tachycardia is characterized by a pulse rate ranging from 100 to 180 beats per minute. The increased heart rate can result in inadequate blood flow to various body parts, ultimately diminishing the oxygen supply to organs and tissues.
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Related Experiment Video

Updated: Jun 3, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Atrial Fibrillation and Cancer-Epidemiology, Mechanisms, and Management.

Nathaniel E Davis1, Narut Prasitlumkum2, Nicholas Y Tan2

  • 1Department of Internal Medicine, Mayo Clinic, Rochester, MN 55905, USA.

Journal of Clinical Medicine
|January 8, 2025
PubMed
Summary

Atrial fibrillation (AF) and cancer share common pathways like inflammation and oxidative stress. Managing AF in cancer patients is complex due to treatment interactions and bleeding risks, requiring further research.

Keywords:
atrial fibrillationcancerepidemiologymanagementmechanisms

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Area of Science:

  • Cardiology
  • Oncology
  • Internal Medicine

Background:

  • Atrial fibrillation (AF) and cancer are increasingly linked, with AF often preceding cancer diagnoses.
  • Cancer patients exhibit higher incidences of AF, suggesting a bidirectional relationship.

Purpose of the Study:

  • To comprehensively review the epidemiology, pathophysiology, and management challenges of AF in cancer patients.
  • To explore the shared mechanisms and treatment complexities between AF and malignancy.

Main Methods:

  • Literature review focusing on epidemiological data, mechanistic insights, and clinical management strategies.
  • Analysis of shared risk factors, inflammatory pathways, oxidative stress, and treatment-related effects.

Main Results:

  • Specific cancers (lung, colorectal, GI, hematologic) are associated with increased AF rates.
  • Shared pathways include inflammation, oxidative stress, and cardiovascular risk factors; anticancer treatments can worsen AF.
  • Management is challenging due to drug interactions, perioperative risks of ablation, and anticoagulation complexities.

Conclusions:

  • The interplay between AF and cancer involves shared pathophysiology and unique management hurdles.
  • A multidisciplinary approach is crucial for managing AF in cancer patients.
  • Further research is critical to address knowledge gaps in this complex patient population.