Poor R wave progression refers to the absence of the normal increase in size of the R wave in the precordial leads when advancing from lead V1 to V6. In lead V1, the R wave should be small. The R wave ...
Precordial catch syndrome is a common cause of chest pain in older children and young adults. Precordial means ‘in front of the heart,’ which is where a person feels the pain. Its symptoms may come ...
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