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 ...

The mean QRS axis is shifted to the right, which is right axis deviation (RAD), and this should make one think first of RVH. After the RAD, this tracing shows all other diagnostic features of RVH, ...

Case 1. T.S., a 21-year-old woman, was first seen in the cardiac screening clinic at Grady Memorial Hospital on March 29, 1957, for evaluation of a heart murmur. She was in the 6th month of pregnancy.

Objective: Precordial ECGs reveal significant intrasubject variability due to the inexact employment of the recommended V 1-V 6 chest landmarks. Also, as per the Einthoven law, the six limb leads can ...

These 12-lead ECG recordings of eight patients show precordial ST-segment depression at the J point followed by peaked, positive T waves. In addition, lead aVR shows slight ST-segment elevation in ...

A feeling like an air bubble is in your chest can be a symptom of several conditions, ranging in seriousness. Some of these conditions are a cause of concern, while others may resolve on their own.

A "quasi-standard" multilead ECG can be recorded using just the Apple Watch, a report showed. The ECG function on the Watch is designed to monitor electrical activity of the heart in the direction of ...

A sudden, sharp pain in your chest may make you worry that you could have a serious heart or lung problem. But if the pain disappears almost as quickly as it came and you don’t have any other symptoms ...