title: [Crucial-point and polar vectors in the vector loops as differential diagnostic aids in frequency- or hypoxia-dependent ECG changes].
mesh_terms: D003936:Diagnosis, Computer-Assisted; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006331:Heart Diseases / Q000175:diagnosis; D006339:Heart Rate; D006801:Humans; D000860:Hypoxia / Q000150:complications
vernacular_title: Schwerpunkt- und Polarvektoren der Vektorschleifen als Differentialdiagnostikum bi frequenz- bzw. hypoxiebedingten EKG-Veränderungen