Sinus Tachycardia
- General information
- A heart rate of over 100 beats/minute, originating in the SA node
- May be caused by fever, apprehension, physical activity, anemia, hyperthyroidism, drugs (epinephrine, theophylline), myocardial ischemia, caffeine
- Assessment findings
- Rate: 100-160 beats/minute
- Rhythm: regular
- P wave: precedes each QRS complex with normal contour
- P-R interval: normal (0.08 second)
- QRS complex: normal (0.06 second)
- Treatment: correction of underlying cause, elimination of stimulants; sedatives, propranolol (Inderal).
Saturday, May 24, 2008 | Labels: cardiovascular disorder |
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