The correct diagnosis is sinus tachycardia (Figure 2). The rhythm is regular at a rate of 120 beats/min, and a single premature complex is seen (^). The QRS complexes are wide (0.18 sec). An RSR' ...
Premature ventricular complexes (PVCs) are extra heartbeats originating from the heart’s lower chambers, potentially causing palpitations or fluttering sensations. While occasional PVCs are common, ...
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