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Fig. 1 | BMC Cardiovascular Disorders

Fig. 1

From: Multiple focal and macroreentrant left atrial tachycardias originating from a spontaneous scar at the contiguous aorta-left atrium area in a patient with hypertrophic cardiomyopathy: a case report

Fig. 1

a 12-lead electrocardiogram (ECG) showing narrow QRS tachycardia with 2:1 atrioventricular conduction. A saw-tooth wave was detected by the inferior lead, and the tachycardia cycle length (TCL) was 240 ms. b ECG showing narrow QRS tachycardia with 2:1 atrioventricular conduction. P-wave deflection was negative in V1, and the TCL was 286 ms

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BMC Cardiovascular Disorders

ISSN: 1471-2261

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