| ID | 73 |
|---|---|
| Name | VENTICULAR ECTOPICS (Ventricular Extra systole) |
| Cause | Causes:3 A. Electrolyte abnormality- 1. Hypocalaemia 2. Hypomagnasaemia 3. Hypocalcaemia B. Drugs- 1. Quinidine 2. Amiodarone 3. Amitriptyline 4. Erythromycin 5. Digoxin C. Poisons- 1. Organophosphorus compounds D. Cardiac diseases- 1. Acute myocardial infarction 2. Mitral valve prolapse |
| Signs Symptoms | |
| Diagnosis | Diagnosis: 1. Abnormally widened QRS complex on ECG 2. They’’may herald ventricular tachycardia or fibrillation if- a. An unusual premature cetopic beat falling on the T wave of a normal beat (R on T). b. They are of multifocal origin, c. They are frequent, more than 10/min |
| Investigations | |
| Management | |
| Introduction | These are one kind of ventricular arrhythmia, frequently found in normal people. Their prevalence increases with age and are sometimes a manifestation of underlying heart disease, particularly of ventricular muscle which enhances ventricular excitability and increases the scope for ventricular re-entry circuits. |
| History | |
| Etiology | |
| Clinical Features | |
| Preventions | |
| Treatment | Tratment: 1. If asymptomatic- no treatment is required. 2. Treatment of underlying causes. 3. Inj. lignocaine 100mg i.v as a bolus dose followed by an infusion at a rate of 4mg/min. 4. If lignocaine fails- a. Disopyramide 2mg/kg i.v as a loading dose, then upto 1 gm/day i.v or orally, b. Procainamide 100mg i.v diluted in 5% dextrose at a rate of 25-50mg/min and repet at 5-10 min. interval upto the maximum of Igm. c. Amiodarone 5-10mg/kg i.v over 20 min. then 600-1200mg via a continuous infusion over 24 hours. |
| Complications | |
| Prognosis | |
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| Observation | |
| Pathology |
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