Letter: Pseudoarrhythmia due to defective infusion pump and ECG monitor.
D001282:Atrial Flutter / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D007263:Infusions, Parenteral / Q000295:instrumentation*; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic