Transmitted cardiovascular pulsations on high resolution esophageal impedance manometry, and their significance in dysphagia

Figure 3 In the patient with dysphagia lusoria, bolus clearance was 10% in supine swallows and 90% upright swallows. A: Pulsatile pressure zones (PPZ) on HREIM due to transmitted pulsations of aberrant subclavian artery and aortic arch in a patient with dysphagia lusoria, with impaired bolus clearance; B: Magnetic Resonance Angiogram of patient with dysphagia lusoria; LEFT patent esophagus (arrow) RIGHT esophageal compression secondary to aberrant subclavian artery (dysphagia lusoria); T: Trachea.