PMC7201478_01
The preprocedural electrocardiogram of patient 1 shows sinus rhythm, northwest axis, incomplete right bundle branch block pattern, and biphasic QRS complexes in V2-5 and deep S waves in V5-6.
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fig2
Her electrocardiogram (ECG) showed sinus rhythm, northwest axis, incomplete right bundle branch block pattern, and biphasic QRS complexes in V2-5 and deep S waves in V5-6 (Figure 2).
Anesthesia record of patient 1. NIBP: noninvasive blood pressure; HR: heart rate; SpO2: oxygen saturation measured by pulse oximetry; RR: respiratory rate; CVC: central venous catheter.
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fig3
The anesthesia record is shown in Figure 3.
PMC7201478_02
The preprocedural electrocardiogram of patient 2 shows sinus rhythm, northwest axis, notched P wave, and Qr pattern in V1.
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fig4
The ECG showed sinus rhythm, northwest axis, notched P wave, and Qr pattern in V1 (Figure 4).
Anesthesia record of patient 2. NIBP: noninvasive blood pressure; HR: heart rate; SpO2: oxygen saturation measured by pulse oximetry; RR: respiratory rate; TEE: transesophageal echocardiography.
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fig5
The anesthesia record is shown in Figure 5.