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EKG Final

Dr. Judge

TF-RA is red F
TF-Lead to V1 brown & red T
TF-Lead to RL green T
TF-V4 is in the 5th intercostal space at left midclavicular line T
TF-V1 is in the 4th intercostal space left of sternum F
TF-Lead 1-RA is negative T
TF-Lead 3-LL is positive T
TF-Standard paper speed is 50 mm/second F
TF-Normal gain (sensitivity) setting is 10mm or 2 large boxes T
TF-RL is ground T
What side of heart carries oxygenated blood? Left
If blood is entering the heart from the lower portion of body, what vessel? Inferior vena cava
Where is the bicuspid valve located? Between LA and LV
How is the heart “bathed” w/blood (how does myocardial muscle get blood supply)? Coronary artery
EKG paper is at what preset speed? 25 mm/sec
Each small box measures how much time? 0.04 seconds
Each large box measures how much time? 0.2 seconds
What lead represents RA-to-LL? Lead 2
What are the unipolar leads? V1-V6, AVL, AVR, AVF
Markings on old EKG machines, dash and 2 dots are what lead? V2
Asystole means: without/no ventricular contractions
SA Node is also known as: Pacemaker
Gatekeeper is also known as: AV Node
Where in the heart are the purkinje fibers? Ventricular walls
Intrinsic means: Built-in
What is intrinsic rate of AV Node? 40-60
Where is the Bundle of His located? Ventricular septum
Who is the founder of EKG? Willian Einthoven
What is the P-R Interval? Distance from beginning of P wave to beginning of R wave
What wave represents contraction of atria? P wave
True or false: there is always a Q wave? False
Contraction of ventricles are represented by what wave? QRS Complex
T wave represents: Relaxation of ventricles
What wave is missing if SA Node didn’t fire? P wave
What does ectopic mean? Outside the SA Node
In Premature Junctional Contractions what fires on its own? AV Node
Which heart rhythm has HR 240-360? Atrial Flutter
Wenckebach is also known as: Mobitz I
How many types of heart blocks are there? 4
How many large boxes are in 6 seconds? 30
What chest lead is in the 5th intercostal space, at left anterior axillary line? V5
What chest lead is in the 4th intercostal space, at right of sternum? V1
Where are artificial heart pacemakers placed? Under skin to left of heart
What ectopic activity inverts P wave or makes it disappear? Junctional Rhythm
MC-Pacemaker is: SA Node
MC-SA Node is located: Right atrium
MC-Intrinsic rate: 40-60
MC-P wave represents: Depolarization (contraction) of right atrium
MC-Q wave……. All
MC-Junctional contractions: Originate in AV Node, P wave, inverted, ALL OF THE ABOVE
MC-1st Degree heart block is also known as: Prolonged P-R interval
MC-Sinus Bradycardia has a HR of: Under 60 bpm
MC-1st Degree heart block…..: BOTH
MC-Valve between LA and LV is: Mitral valve
MC-Valve between RV and Pulmonary Artery is: Pulmonic
MC-Aorta is: Largest artery
TF-In Lead 1, P wave and R wave are usually positive (above baseline). T
TF-Holter Monitor checks normal rhythms. T
TF-Large Q waves usually mean past myocardial infarction. T
TF-Standard gain (sensitivity) on EKG machine is 20 mm/mv. F
TF-Standard paper speed on EKG machine is 20 mm/sec. T
TF-Horizontal axis on EKG measures time. T
TF-Size of normal adult heart is the size of a normal adult’s fist. T
TF-T wave represents ventricle contraction. F
TF-R wave is the first upright wave of the QRS Complex. T
Created by: 708240517
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