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Sinus Tachycardia
- Causes
- Fever
- Shock
- Hypovolemia
- Hypoxia
- Abnormal electrolytes
- See Drug Induced Tachycardia
- Pneumothorax
- Pulmonary Embolism
- Hyothyroidism
- Cardiac Tamponade
- Anxiety
- Pain
- Signs
- P Waves present and normal
- Variable R-R with constant PR interval
- Rate lower than PSVT
- Infants 160-220
- Children 120-180
- Adult 100-160
- Management
- Evaluate and treat causes
Sinus Tachycardia (C0039239)
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| Definition (MSH) | Simple rapid heartbeats caused by rapid discharge of impulses from the SINOATRIAL NODE, usually between 100 and 180 beats/min in adults. It is characterized by a gradual onset and termination. Sinus tachycardia is common in infants, young children, and adults during strenuous physical activities. |
| Definition (NCI) | A heart rate of more than 100 beats per minute, with its origin in the sinus node. |
| Concepts | Disease or Syndrome (T047)
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| English | SINUS TACHYCARDIA, Sinus Tachycardias, TACHYCARDIA SINUS |
| Spanish | taquicardia sinusal |
| Credits | Derived from the NIH UMLS (Unified Medical Language System)
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