The PR segment is the portion of the ECG from the end of the P wave to the beginning of the QRS complex. The PR segment is different from the PR interval, which is measured in units of time. Remember ...
The time from the beginning of the P wave, indicating atrial depolarization, to the beginning of the QRS complex, representing ventricular depolarization, is the PR interval. This represents the time ...
MarketingProfs.com went to the Buzz 2000 conference in San Francisco this week to hear about the promised "new rules for PR", "cost effective PR tactics", and about how to create a buzz using Public ...
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