There are several issues here. First, those responding that the narrow QRS complex is a result of a pause occurring in a rate-dependent (or acceleration-dependent) bundle […]
During one of my orientations as a young internal medicine house officer, the cardiologist lectured us on the essentials of how to check pacemakers. Since none […]
Some ectopic QRS complexes – especially junctional ectopic complexes – can look very much like the sinus conducted beats or atrial ectopic impulses. It is very […]