Basic ECG Interpretation (100% Correct Answers)

What are the 3 R's of EKG correct answers Rhythm Rate Regularity How long is the strip that you need to look at correct answers six seconds What is the normal heart pacemaker correct answers SA node Where is SA node correct answers high in the right atrium Where is the AV node correct answers low in the right atrium What is electricle conduction pathway correct answers SA AV BUndle of His Bundle Branches Purkinje BUndle branch composition correct answers Right and left bundle branches one right, two left How many bundle branches on the left side of ventricle correct answers left anterior left posterior 2 What are the purkinje fibers correct answers endpoint of electrical stimulation stimulate the ventricles What happens before electrical stim goes to AV node correct answers travels through intraatrial pathways so that left atrium is stimulated at same time SA node rate correct answers 60-100 AV node rate correct answers 40-60 What happens when AV node is setting pace correct answers no atrial contraction bc stimulus is happening below atrium decreased blood efficiency to ventricle Purkinje fiber rate correct answers 15-40