Tachycardia | Signs - MedSchool
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Tachycardia

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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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