CRAT – CCI questions with correct answers

potassium and calcium Answer the two electrolytes needed in order for the heart to function normally acute myocardial infarction Answer PACs are rarely dangerous, but in a patient with this condition, it can serve as an early sign or heart failure or electrolyte imbalance. downward Answer as an electrical current travels to a negative pole on an ECG, the waveform deflects in which direction? late ventricular depolarization Answer what does the S wave represent on the ECG tracing? 5 Answer how many leads does a 24 hour holter monitor have? right atrium OR right ventricle Answer a single chamber pacemaker has one lead into which of the two chambers of the heart? many different foci Answer the patient is experiencing VFIB, where do the electrical impulses come from? lead II, III, AVF Answer on a 12 lead ECG, where would we look when trying to assess for AJR? pre-cardiac transplant patient Answer When is a biventricular pacer used?