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Sinus Bradycardia
Aka: Sinus Bradycardia
- See Also
- Bradycardia
- Unstable Bradycardia
- Pathophysiology
- Normal pattern in healthy adults and athletes
- Baseline Bradycardia suggests physical conditioning
- Other causes of Sinus Bradycardia
- See Drug Induced Bradycardia
- Hypothermia
- Severe infection
- Jaundice
- Carotid Sinus Hypersensitivity
- Tight shirt collar
- Excessive parasympathetic stimulation
- Acute inferior wall Myocardial Infarction
- Decreased sympathetic stimulation (medications)
- Diagnostics: EKG Findings
- Regular rhythm with rate at <50 to 60 beats per minute
- Normal and consistent P-wave morphology
- Normal PR-Interval duration
- Differential Diagnosis
- See Bradycardia
- Management
- Usually physiologic and requires no treatment
- If hemodynamically unstable, see Unstable Bradycardia
- References
- Cardiopulmonary Resuscitation Guidelines
- http://www.circulationaha.org
- (2010) Guidelines for CPR and ECC [PubMed]
- (2000) Circulation, 102(Suppl I):86-9 [PubMed]