Cardiology Clinical medicine Definition and cardiovascular rationale Smoking cessation is the complete discontinuation of tobacco smoking, with avoidance of second hand smoke and, where possible…

…mean nothing. Capture is verified only when every pacing spike is followed by a wide QRS complex and a pulse that can be felt. The…

…Pacemaker beats are mostly easy to recognize on the ECG. Pacemaker stimulation generates a stimulation artifact ("pacemaker spike"). Older pacemakers generate large and visible spikes…

…nail folds. It is these that must be destroyed during matrix ablation — miss the horn and the nail spike returns in the same corner. The…

…contrast agents, and accurately identifies abdominal aortic enlargement. Screening reduces aneurysm related mortality in populations with a high prevalence of AAA, particularly older male smoke

…becomes very discrete, or invisible. Figure 4. Stimulation artifact is seen as a spike preceding the QRS complex. This ECG displays a normal P w