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A member asked:

What can cause the p-waves to be missing on a 4 lead ecg?

A doctor has provided 1 answer

P waves: If p waves are not seen on the surface ecg, either they are not present or the vector direction of the forces doesn't produce an adequate size p wave to see in the leads available.

Answered 4/2/2015

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Male 22. Got a portable 3 lead ECG at home. My P wave can't really be seen but my mums can? How come?

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What are the possible causes for having a pointed P wave on an ecg? My ECG 5 mths ago had a normal p wave.

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Had six ecgs in a month four normal two were incornfirmed abnornality t wave and I think s wave went away when breathed in?

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My ECG today showed pointed and long P waves and paramedics told me it was abnormal what would cause the P waves to be like this :(?

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A member asked:

The P wave on my ECG was pointed including on leads V1 and 2. The amplitude was 2 mm. What are the possible causes?

5 doctors weighed in across 2 answers

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