…and with the clinical context. 1. Rhythm Check Is the ventricular rate regular at 50–100 beats/min? Is there a P wave in front…

…Spray intermittently until the ice front reaches the planned margin around the lesion. Start timing at that point. 7. Allow complete thawing — the thaw time…

…V2. lead V5 only notes vectors heading towards the exploring electrode (albeit with somewhat varying angles) and therefore displays a positive P wave throughout. Figure…

…waves. The transducer is held with one hand and its position and angle are adjusted to send ultrasound waves through structures to be visualized. Ultrasound…

…Gallstone causing acoustic shadowing. Reverberations artifacts Ultrasound waves can be reflected multiple times between dense structures ( i.e structures with high echogenicity). For each reflection…

…trend towards increased use of cardiac devices in general, it is crucial to be familiar with these devices. This section is devoted to artificial pacemakers…