You’ve just done a 12-lead ECG on a patient with chest pain compatible with an acute coronary syndrome. It shows…
During one of my orientations as a young internal medicine house officer, the cardiologist lectured us on the essentials of…
We all know that the PR interval is prolonged in the presence of a 1st degree AV block, that the…
Some ectopic QRS complexes – especially junctional ectopic complexes – can look very much like the sinus conducted beats or…
This post is short and to the point: premature atrial complexes (PACs) do not have to resemble the sinus P…
OK. You’ve got an abnormal QRS complex followed by a repolarization abnormality (RA). Which direction should the repolarization abnormality point?…
Jones’s Rule… Any ST depression in the 12- lead ECG of a patient with credible chest pain (symptoms suggestive of…
Typically, when I ask a class how one recognizes 3rd degree AV block, they respond with “the P waves and…
Normal ST segments manifest a gentle rise into the T wave with a slight upward concavity. The junction of the…
