Cardiopulmonary ECG Exam 1 Questions with 100% Correct Answers | Verified

Cardiopulmonary ECG Exam 1 Questions with 100% Correct Answers | Verified List 4 ways to detect abnormal rhythm - answerOscilloscope, palpating the pulse, pulse oximeter, portable ECG devices What is the path of electrical conduction through the heart? - answerSA node -> atrium -> AV node -> bundle of His -> R and L bundle branches -> Purkinje fibers -> ventricles Where is the SA node found? - answerupper portion of R atrium What is a normal SA node firing rate? - answer60-100 bpm What can act as a pacemaker if the SA node is not working? - answerAV node What is a normal AV node firing rate? - answer40-60 bpm Where do junctional rhythms originate? - answernear the AV junction What are junctional rhythms also known as? - answerAV rhythms What makes up the ventricular conduction system? - answerBundle of His, bundle branches, and Purkinje fibers What is the firing rate of the ventricular conduction system? - answer20-40 bpm Where are Purkinje fibers located? - answerthroughout the ventricles What system controls the heart activity? - answerANS What does the sympathetic system do to the heart? - answerexcite, increase rate and impulse propagation, increase force of contraction, discharges norepinephrine, acts on SA and AV nodes and ventricles What does the parasympathetic system do to the heart? - answerslows HR, slows conduction, acts on SA node, discharges acetylcholine What provides the ECG tracing? - answer5 external lead placement (color based leads) or 10 external lead placement 10 external lead placement gives ___ boxes and ___ pictures - answer12; 12 Where are the 5 externally placed electrodes placed? - answeron the chest