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The Ultrasound Journal
Fig. 3 | The Ultrasound Journal

Fig. 3

From: Temporary transvenous pacing guided by the combined use of ultrasound and intracavitary electrocardiography: a feasible and safe technique

Fig. 3

Intracavitary electrocardiogram (ECG) technique attaching the electrodes of the EC (a, b) to a precordial lead (V1 in this case, c by a cable with an alligator clip on each end (d). Of note, while the alligator clip is attached to a precordial lead as seen by its suction cup, this is in fact registering the cardiac electrical activity from an intracavitary view, thus it is indistinct whether or not it is placed on the patient’s chest; ECG limb leads are placed in the usual fashion

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