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EKG Final
Dr. Judge
Question | Answer |
---|---|
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 |