PMC7703010_01
Electrocardiogram 1: pSVT
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AP crew treated the patient for chest pain with oral acetylsalicylic acid and sublingual nitrates. A 12-lead electrocardiogram (ECG) revealed a pSVT (Figure 2), with a heart rate of 194 beats per minute (highest recorded was 204 beats per minute) and normal blood pressure.
Electrocardiogram 2: Post-MVM pSVT conversion
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The CCP did rendez-vous with the AP crew, and after an initial assessment and confirmation of the pSVT, the CCP performed the MVM, as advocated by Appleboam et al., Sixty seconds later the pSVT converted to nonsustained bradycardia and then to sustained sinus rhythm with no ischemic changes (Figure 3).