Ventricular Tachycardia

Definition of Ventricular Tachycardia Ventricular tachycardia (VT) is defined as three or more consectutive ectopic beats, heart rate usually 140–220 beats/minute with regular rhythm. Causes of Ventricular Tachycardia • Acute myocardial infarction. • Myocarditis. • Cardiomyopathy. • Chronic ischemic heart disease (specially with poor left ventricular function). • Ventricular aneurysm. • Mitral valve prolapse. • […]

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Ventricular Fibrillation

Definition of Ventricular fibrillation Ventricular fibrillation (VF) is a type of ventricular arrhythmia characterised by rapid, irregular, ineffective and uncoordinated ventricular activation with no mechanical effect. There is chaotic electrical disturbance of ventricles, with impulse occuring irregularly at rate of 300–500/min. Cardiac output falls to zero. It is the most common cause of sudden death. […]

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Marfan’s Syndrome

What is Marfan’s Syndrome Definition It is a connective tissue disorder inherited as autosomal dominant trait due to mutation in the fibrillin-1 gene, a component of extracellular matrix. The fibrillin gene is located in the long arm of chromosome 15 (15q21.1). Clinical Features Marfan’s syndrome is characterized by triad of eyes, skeletal and cardiac abnormalities. […]

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Pacemaker

What is Pacemaker Pacemaker is an artificial device used to electrically stimulate the heart. It is composed of two parts: • Battery-powered generator. • Wire electrode—which is attached to the heart chamber to be stimulated (atrium or ventricle or both). Pacemaker may be single chamber or dual chamber. Two types of pacemaker—temporary and permanent. Indications […]

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Left Bundle Branch Block (LBBB)

ECG Criteria of LBBB • RSR´- in V5 and V6, also in L1 and aVL (M pattern). • QRS wide, >0.12 second (3 small squares). Causes of LBBB • Severe coronary artery disease. • Acute myocardial infarction. • Cardiomyopathy. • Aortic valve disease (stenosis or regurgitation). • Left ventricular hypertrophy. • Hypertension. • Myocarditis. Symptoms […]

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About Me

Dr. Nur Karim

Senior Medical Officer

MBBS,

PGT (General Surgery),

CCD (Diabetology),

CCGP & MCGP (General Practice)

Media

Recent Posts

Ventricular Tachycardia

Ventricular Fibrillation

Marfan’s Syndrome