Difference between revisions of "ECG-SINUS ARRHYTHMIA (TACHYCARDIA)"
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Revision as of 15:01, 7 July 2022
1. Originates in the SA node, HR > 100/min.
2. Occurs in response to increased O2 demand.
3. Causes: exercise, stress, pain, shock, infection, AMI, drugs.
4. In physiological responses the rate changes gradually.
