title: Effect of preceding cycle length on left ventricular preejection period in a patient with thyrotoxicosis and atrial fibrillation. Study by a noninvasive photoplethysmographic technique.
mesh_terms: D001281:Atrial Fibrillation / Q000503:physiopathology*; D001783:Blood Flow Velocity; D002302:Cardiac Output; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006980:Hyperthyroidism / Q000503:physiopathology*; D008722:Methods; D010991:Plethysmography; D011674:Pulse; D013997:Time Factors; D014159:Transducers