A sinus morphology is an upright P wave in lead II and biphasic (up and down) P wave in lead V1. The first ECG strip below shows a P wave with sinus morphology, thus normal sinus rhythm.

In this article, we look at what sinus pressure points are, where they are, and how to stimulate them. The idea of pressure points comes from acupuncture, a form of traditional Chinese medicine.

If you’re among the 37 million Americans who suffer from sinus problems, you know just how miserable the symptoms can make you feel. The congestion. The facial pain. The postnasal drip-drip-drip.

The morphology of the P wave will not be similar to the sinus P wave, which is normally ... or electrolyte disturbances — is found. The strip below shows a junctional rhythm with retrograde ...