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Which of the following are characteristics of sinus P waves?

Sagot :

Answer:

Characteristics. For an ECG to be described as showing a sinus rhythm, the shape of the P wave in each of the 12 standard ECG leads should be consistent with a "typical P vector" of +50° to +80°. This means that the P wave should be: always positive in lead I, lead II, and aVF; always negative in lead aVR

Explanation: