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Sinus Bradycardia
- See Also
- 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)
- Normal pattern in healthy adults and athletes
- 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
Sinus bradycardia (C0085610) | |
|---|---|
| Definition (NCI) | A heart rate of less than 60 beats per minute, with its origin in the sinus node. |
| Concepts | Pathologic Function (T046) |
| English | BRADYCARDIA SINUS, SINUS BRADYCARDIA |
| Spanish | bradicardia sinusal |
| Parent Concepts | cardiac arrhythmia (C0003811), Parasympathomimetic Disorders (C0728821), Supraventricular arrhythmia (C0428974), Bradyarrhythmia (disorder) (C0079035), Atrial arrhythmia (C0085611), [D]Cardiovascular system symptoms (C0476270), Disorder of right cardiac ventricle (C1562299), Duplicate concept (C1274013) |
| Sources | COSTAR, CST, DXP, MTH, NCI, OMIM, SCTSPA, SNOMEDCT Derived from the NIH UMLS (Unified Medical Language System) |
