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Related Concept Videos

Esophageal Perforation-I: Introduction01:22

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Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
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Clinical Manifestations:
Pericarditis I: Introduction01:22

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Mechanism of Cardiac Arrhythmias01:28

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Dysrhythmias IV: Characteristics of Bradyarrhythmias01:18

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Bradyarrhythmias are cardiac rhythm disorders characterized by a slower-than-normal heart rate, typically defined as fewer than 60 beats per minute. Some of which are discussed here:Sinus BradycardiaSinus bradycardia presents a heart rate lower than 60 beats per minute, with a regular rhythm originating from the SA node. The ECG typically shows normal P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and a normal QRS duration (0.06 to 0.10 seconds).First-Degree AV...

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Delayed lead perforation: a rare cause of pacemaker dysfunction.

Luís Ferreira dos Santos1, Filipa Costa, Emanuel Correia

  • 1Serviço de Cardiologia, Hospital São Teotónio, E.P.E., Viseu, Portugal. luisferreirasantos@gmail.com

Revista Portuguesa De Cardiologia : Orgao Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology
|August 31, 2011
PubMed
Summary
This summary is machine-generated.

A pacemaker lead perforated the heart wall, causing loss of ventricular capture. This case highlights the importance of recognizing and managing lead perforation, a rare but serious complication.

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Area of Science:

  • Cardiology
  • Medical Devices
  • Cardiac Electrophysiology

Background:

  • Pacemakers are crucial for managing bradyarrhythmias.
  • Carotid sinus hypersensitivity can necessitate pacemaker implantation.
  • Routine pacemaker interrogation is vital for device monitoring.

Observation:

  • A 65-year-old woman presented with incidental loss of ventricular capture.
  • Initial chest X-ray suggested right ventricular lead perforation and migration.
  • Three-dimensional echocardiogram and CT scan confirmed the lead displacement.

Findings:

  • Myocardial lead perforation is a rare complication of pacemaker implantation.
  • Predisposing factors, pathophysiology, and diagnostic methods are reviewed.
  • Therapeutic options for lead perforation are discussed.

Implications:

  • This case underscores the need for vigilance in pacemaker lead management.
  • Early diagnosis and intervention are critical for patient outcomes.
  • Understanding lead perforation mechanisms aids in preventing future occurrences.