An EKG measures the heart’s electrical activity and can detect various issues, including heart attacks, rhythm abnormalities, and electrolyte imbalances. Seek immediate medical help if you experience ...
The R12 and R14 waves hold the key to the answer (Figures 2 and 3). These two QRS complexes are narrow and occur slightly earlier than others. They are PJCs and occur late enough to have a sinus P ...
ECG and EKG are different abbreviations for the same test, called an electrocardiogram. This test measures how electricity is functioning in a person’s heart. People may also refer to it as an ...
Angela Ryan Lee, MD, FACC, is a board-certified cardiology and internal medicine physician. She also holds board certifications from the American Society of Nuclear Cardiology and the National Board ...
In figure 1, the 4th beat in tracing (a) suddenly has a longer PR interval than the others. The findings in tracing (b) suggest AV Wenckebach phenomenon (type I 2° AV block). The findings in tracing ...
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