Arrhythmias - Differential Diagnosis Algorithm
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Description

Arrhythmias - Differential Diagnosis Algorithm

May present as: palpitations, dizziness, syncope, chest discomfort

Cardiac Causes:

 - Structural

     • Valve disease

     • Cardiomyopathy

 - Electrical Conduction Abnormalities

     • Ectopic foci

     • Accessory pathway

     • Scar tissue (previous MI)

Non-Cardiac Causes:

 - High Output State:

     • Anemia

     • Fever/infection

     • Pregnancy

 - Metabolic:

     • Hypoglycemia

     • Thyrotoxicosis

     • Pheochromocytoma

 - Drugs:

     • Alcohol

     • Caffeine

     • Sympathomimetics

     • Anticholinergics

     • Cocaine

 - Psychiatric:

     • Panic Attack

     • Generalized Anxiety Disorder



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Calgary Blackbook
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