Impact of Prone Position on 12-Lead Electrocardiogram in Healthy Adults: A Comparison Study with Standard Electrocardiogram

Figure 2

(a) Supine ECG, normal sinus rhythm, and normal frontal QRS axis. (b) Prone ECG in the same patient. Low QRS amplitude was noted in precordial leads, and new Q waves were seen in leads V1 to V3.

(a)

(b)