EKG Word Scramble
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Question | Answer |
Another name for the baseline | Iso Electric Line |
Any deflection off the baseline is called a | wave |
The distance between two waves | segment |
the length of a wave and a segment | interval |
heat and pressure sensitive | EKG paper |
Normal paper speed | 25mm/sec |
Normal standarization | 10mm, 0.2 sec |
vertical plane represents | voltage |
horizontal plane represents | time |
how much time in one small square? | .04 secs |
how much time in one large square? | 0.2 secs |
time period when the myocardial cell cannot respond to stimulus | Refraction Period |
ability of the myocardial cell to depolarize and polarize | Action Potential |
part of EKG machine converts electrical activity into mechanical motion | Galvonometer |
the writing implement on EKG machine | stylus |
wave = Atrial depolarization | P wave |
wave= Ventricular depolarization | QRS Complex |
wave= Ventricular repolarization | T Wave |
SA Node inherent rate | 60-100bpm |
AV Node inherent rate | 40-60bpm |
Purkinje Fibers inherent rate | 20-40 bpm |
on all sinus EKG's, the initiation of the impulse is | SA Node |
Normal value of PR Interval | 0.12-0.20 |
Wave not usually seen on EKG indicates electrolyte imbalance | U wave |
how many waves are in one cardiac cycle? | 5 |
1 heart beat- 1 systole + 1 diastole | 1 cardiac cycle |
two or more waves together | "QRS" complex |
Electrocardiogram is used to | diagnose arrhythmia, ischemia, electrolyte imbalances and myocardial injury |
the Amplifyer in EKG machine | increases voltage or intensity of weaker signal |
how many leads on EKG | 12 |
how many electrodes | 10 |
Limb Leads, 3 standard augmented | AVR, AVL, AVF |
how many chest leads? | 6 |
Place V1 | 4ICS R margin of sternum |
place V2 | 4ICS L margin of sternum |
place V3 | midway between V2 & V4 |
place V4 | 5ICS @ mid-clavicular line |
place V5 | 5ICS @ left anterior Axillary line |
Place V6 | 5ICS @ mid Axillary line |
Lead I | records V between RA & LA |
Lead II | voltage between RA & LL |
Lead III | voltage between LA & LL |
RL | ground wire reference point |
V1 is | red |
V2 | yellow |
V3 | green |
V4 | blue |
V5 | orange |
V6 | purple |
Limb Leads colors | white, green, black, red |
RA | white |
LL | red |
LA | black |
RL | green |
another name for standard leads | bipolar |
another name for augmented leads | unipolar |
another name for chest leads | precordial |
direction of electrical impulses | vector |
3 augmented leads | avl, avf, avr |
standard limb leads | lead I,II, III |
chest leads | V1-V6 |
lead records act f/mdpt b/w LA/LL | AVR |
Created by:
Gmtassa23
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