Sinus Tachycardia - Differential Diagnosis Framework
Autonomic System:
• Excess Stimulation: Nicotine, Caffeine, Sympathomimetics, Anticholinergics
• Withdrawal: Alcohol, B-blocker
Endocrine: Hyperthyroidism, Pheochromocytoma
Inadequate CO:
• Volume:
- Hypovolemia (fluid losses/hemorrhage)
- Distributive (fever, sepsis)
• Obstruction: Tamponade, PE
• Cardiogenic: ACS, CHF
• Hypoxia
Other: Fever, Pain, Anxiety, Inappropriate Sinus Tachycardia
SCVMC Internal Medicine @SCVMCMed
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