Assessment of the atrial contribution to cardiac performance by a noninvasive photoplethysmographic technique.
D001783:Blood Flow Velocity; D001795:Blood Pressure Determination; D001811:Blood Volume Determination; D006328:Cardiac Catheterization; D006321:Heart / Q000503:physiopathology*; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000175:diagnosis / Q000503:physiopathology*; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008722:Methods; D010781:Photography; D010991:Plethysmography; D011674:Pulse