Evaluation of intracoronary function after reduction of ventricular rate by esmolol in severe stenotic myocardial bridge: A case report

Figure 1 16cm terumo sheath tube through snuff fossa for coronary angiography.

Figure 2 Coronary angiography results. A: Lumen shape of diastolic anterior descending brac. B: The shape of the lumen of the anterior descending branch during systole.

Figure 3 Fractional flow reserve results before drug therapy. A: Hyperemia fractional flow reserve is 0.66; B: Resting instantaneous wave-free ratio is 0.72; C: Hyperemia fractional flow reserve is 0.65; D: Resting instantaneous wave-free ratio is 0.83.