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March 28th, 2020


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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