1. What is difference between EKG and ECG?: Answer EKG = 12 lead ekg identifies rhythm ECG (telemetry strips) = 6 second strips 2. Primary pacemaker: SINOATRIAL NODE (SA node): Answer 60-100 beats per minute 3. Secondary pacemaker: atrioventricular node (AV node): Answer 40-60 bpm 4. Ttertiary pacemaker: conduction myofibers (purkinje fiberes): Answer less than 40 bpm 5. Bachmann's bundle: Answer in the hearts conduction system - branch of the anterior inter-nodal trap - broad band of cardiac muscle that - preferential path of electrical path of L atrium **ATRIAL CONDUCTION SYSTEM OF THE HEART 6. What causes the P wave?: Answer SA node - atrium depolarizing (cells are changing from positive to negative)