ekg analysis paper showing abnormal ekg of the patients in hospital

abnormal analysis arrhythmia atrium background baseline borderline cardiogram care checkup clinic clinical detail diagnosis disease doctor doctors ecg ekg electrocardiogram electrolyte essential healthcare heart heartdisease heartrate hospital instrument investigation line medical medicalcare method ncd nurse paper patient patients primary qwave qrscomplex rwave rate rhythm rythum shape showing signs sinusrhythm specialist symptom twave technology tool useful ventricular white