Which inspections does sinus tachycardia need making? 's symptom

Which inspections does sinus tachycardia need making? 's symptom
The checking of this disease mainly depends on the electrocardiogram, the electric picture of heart can reveal sinus P wave, one is greater than 0.12 seconds among P-R. Sinus tachycardia usually begins gradually and stops. Frequency is at 100- 150 time mostly /between not dividing,it is even can up to by 200 times divide. Stimulating the nervus vagus make its frequency slow down graduallies, stop stimulating, accelerate to the original level again.
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