digital holter, digital holter monitoring, heart monitoring, cardiac monitoring, heart monitoring, holter monitoring, cardiac event monitoring, pacemaker monitoring, ekg monitors, cardiac, heart, holter, event, cardiac event, pacemaker, ekg, chest pain, palpitations, syncope, king of heart express, arrhythmia, paroxysmal, supraventricular, tachycardia, cardiomemo, heartcard, cardio diagnostics, cardiovue

first-call medical is a nationwide diagnostic testing facility specializing in the analysis of ekg from holter, cardiac event and pacemaker monitors.