Tachycardia
March 28th, 2020
Overview
Heart rate greater than 100 beats per minute.
Causes of Tachycardia
Sinus Tachycardia
- Stress - physical exertion, anxiety, emotional stress, trauma, pain
- Fever
- Haemodynamic insufficiency - hypovolaemia, shock
- Anaemia
- Cardiovascular - pulmonary embolism, coronary ischaemia / infarction
- Endocrine - hypoglycaemia, thyrotoxicosis, phaeochromocytoma
- Drugs - beta agonists, anticholinergics, theophylline, caffeine, amphetamine, cocaine, alcohol
Other Rhythms
- Atrial - atrial fibrillation, atrial flutter, focal atrial tachycardia, multifocal atrial tachycardia
- Junctional - AV nodal reentrant tachycardia, AV reentrant tachycardia
- Ventricular tachycardia
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