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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

271
Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
271
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

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Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
241
Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

290
Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per...
290
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

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

321
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...
321
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

2.2K
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...
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Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

130
Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
130

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Related Experiment Video

Updated: Dec 12, 2025

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus

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Ventricular bigeminy in enteric fever.

Madhu Kaushal1, Priyanka Tolani1, Navneet Kumar1

  • 1Department of Medicine, Northern Railway Central Hospital, New Delhi, India.

The National Medical Journal of India
|August 10, 2020
PubMed
Summary
This summary is machine-generated.

Salmonella infection can lead to serious complications. This case highlights a rare electrocardiogram (ECG) finding, ventricular bigeminy, observed during enteric fever, which may aid in predicting cardiac issues.

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Enteric Bacterial Invasion Of Intestinal Epithelial Cells In Vitro Is Dramatically Enhanced Using a Vertical Diffusion Chamber Model
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Area of Science:

  • Infectious Diseases
  • Cardiology
  • Internal Medicine

Background:

  • Salmonella infection presents diverse clinical manifestations, including potential life-threatening complications.
  • Electrocardiogram (ECG) abnormalities are frequent in enteric fever, aiding in myocarditis prediction.

Observation:

  • Common ECG changes include diminished QRS amplitude, QTc interval prolongation, and right bundle branch block.
  • Ventricular bigeminy, a rare cardiac arrhythmia, was observed in a patient with enteric fever.

Findings:

  • This case documents the unusual occurrence of ventricular bigeminy in the context of Salmonella-induced enteric fever.
  • The presence of ventricular bigeminy may indicate significant cardiac involvement during enteric fever.

Implications:

  • Recognizing rare ECG findings like ventricular bigeminy is crucial for comprehensive patient management in enteric fever.
  • Further research into the prognostic significance of specific ECG changes in Salmonella infections is warranted.