A specialist tells how to interpret subtle changes on the ECG, including those caused by two life-threatening syndromes you might otherwise miss. Reading ECGs is like learning to appreciate art—it is ...

Ectopic heartbeats, those occasional skipped or extra beats, are usually harmless and often triggered by caffeine, stress, or exercise. While unsettling, they rarely indicate a serious heart problem, ...

The atrial rate is approximately 160 beats per minute (bpm) with inverted P waves in II-III-AVF. The narrow ventricular complexes are regular at 80 bpm, with 2:1 atrioventricular (AV) block. These ...

The QRS complex is positive in lead I and negative in lead II and also negative in lead aVF – indicating left axis deviation TIP When you see RBBB always look for 1 st degree heart block and/or left ...

SHEFFIELD, UK — Hypoglycemia may render high-CV-risk patients with type 2 diabetes susceptible to serious arrhythmias, possibly because the condition alters cardiac autonomic tone and promotes ...

British Journal of Industrial Medicine, Vol. 37, No. 3 (Aug., 1980), pp. 299-306 (8 pages) Sudden deaths and chronic cardiovascular diseases have been reported in excess frequency from the explosives ...

An ectopic heartbeat is an extra or early heartbeat that pops up before your regular heart rhythm has finished its beat. That weird sensation you sometimes feel like your heart skipped a beat or made ...