Figure 5From: Acute effects of caffeine and cigarette smoking on ventricular long-axis function in healthy subjectsTissue Doppler pattern of mitral annulus motion and M-mode imaging of tricuspid annulus motion at baseline (panels A-C) and after cigarette smoking (panels B-D), showing an increase in mitral peak Am velocity and tricuspid annular plane systolic displacement (TAPSE).Back to article page