EKG Questions and Answers 100% Pass

Document Content and Description Below

EKG Questions and Answers 100% Pass EKG or ECG stands for: ✔✔electrocardiogram What can an EKG detect? ✔✔cardiac arrhythmia or dysrhythmia, ischemia, electrolyte imbalance, effects of cardi ... ac medications, damage caused by an MI Define arrhythmia ✔✔abnormal cardiac rhythm (think a= without, without rhythm) Define ischemia ✔✔lack of blood supply What is the electrical pathway of the heart's conduction system? ✔✔SA node->AV node- >Bundle of His->Right and Left Bundle Branches->Purkinje fibers When the SA node is stimulated, what mechanical action happens in the heart? ✔✔Atria contract What has to happen for the ventricles to contract? ✔✔Electrical conduction has to pass through the AV node, down the Bundle of His, through the right and left bundle branches, into the purkinje fibers. Once they reach the Purkinje fibers, then the ventricles will contract. Electrodes ✔✔sticky skin sensors that attach to the patient What is the purpose of the gel on the electrodes? ✔✔to read the heart's electricity and to amplify the waveforms EKG machine is also called an: ✔✔electrocardiograph Name the 2 types of EKG machines: ✔✔Single channel and multichannel When we do an EKG we are looking at the heart from : ✔✔12 different points of view or angles How many electrodes are used to perform an EKG? ✔✔10 What is an amplifier? ✔✔Magnifies the heart's electrical signal so it can be recorded. What is the stylus? ✔✔records the motion on the graph paper by burning the impression into the heat-sensitive paper. Name the limb leads. ✔✔RA, LA, LL, RL What is unique about EKG paper? ✔✔It is head-sensitive and pressure-sensitive. How big is a small block on EKG paper? ✔✔1mm x 1 mm How big is a large block on EKG paper? ✔✔5mm x 5 mm What speed does normal EKG paper run? ✔✔25mm per second Why would a CCMA increase the speed of the EKG paper? ✔✔If the heart rate were very fast, the speed would be increased to 50mm per second. How much TIME does each small square on EKG paper represent? ✔✔0.04 seconds How much TIME does each large square on EKG paper represent? ✔✔0.2 seconds [Show More]

Last updated: 2 years ago

Preview 1 out of 11 pages

Buy Now

Instant download

We Accept: