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ECG
Special Topics
| Question | Answer |
|---|---|
| Fast heart beat: | Tachycardia |
| Too slow heart beat: | Bradycardia |
| Irritable heart rate: | Premature |
| Absent heart beat: | Block |
| Irregular heart beat: | Arrhythmia |
| Normal heart beat: | Normal sinus rhythm |
| Increase in HR during inspiration and decrease in HR during exhalation: | Sinus arrhythmia |
| True or False:Sinus arrhythmia's are Normal in dogs | True |
| A normal ECG paper speed is: | 25mm/sec |
| What are the 2 conductors used for electrodes? | Alcohol or ultrasound gel |
| Normal heart rate for dogs: | 70-160 BPM |
| Normal heart rate for felines: | 150-210 BPM |
| Sinus Bradycardia : | K-9: >45#- HR<60 BPM Fel:100 BPM or less |
| Sinus tachycardia can be caused by: | pain, fever, anemia, excitement,hyperthyroidism |
| Rapid, irregular,unsynchronized contraction of heart muscle: | Fibrillation |
| ___ is manual atrial depolarization | Defibrillation |
| If a P wave is not seen on ECG it may be a sign of: | PCV:Premature ventricular complexes |
| If no P OR QRS is seen on ECG it may be a sign of: | Ventricular fibrillation |
| A normal sinus rhythm followed by a prolonged failure of the SA node: | Sinus arrest |
| _____ are used in cases of delayed beats known as sinus arrest | Pace maker |
| First degree Av block: | Consistent delay between P and Q intervalm |
| Second degree Av block: | Missing QRS and gradual lengthening in P-R interval |
| Third degree Av block | No relation between P wave and QRS complex |
| ___ is known as dropped beats (gradual lengthening of P-R interval) | Sencond Deg AV block Type 1 |
| ___ is known as multiple dropped beats (Consistent P-R intervals) | Second Deg AV block type 2 |
| No electrical activity, no cardiac output: | Asystole:l;flat line |
| Medications of choice for Asystole are ____ and ___ | Epinephrine and Atropine |
| Pathway of impulse thru the heart: | SA node, AV noded, Bundle of his, L/R bundle branches, Purkinje fibers |
| Depolarization is ___ and Repolarization is ___ | *Contraction *Relaxation |
| 5 Physiologic properties of the cardiac muscle: | *Automaticity *Excitability *Refractoriness *Conductivity *Contractility |
| ___ follows the "All Or Nothing " law | Excitability |
| Heart contractions are a result of ___ and ___ | Depolarization and Re-polarization |
| Graphic recording of electrical potentials: | Electrocardiogram |
| A wave that arises from a source other than the heart: | Artifact |
| Any electrical activity that differs from the normal: | Cardiac Arrhythmia |
| Electrode/wire placement: | above the stifle skin and on the elbow skin |
| Patient connected to an ECG machine should be in ___ or ___ position | R/lateral recumbency or Standing |
| 02 levels should always be above __% | 95 |
| ECG Lead order: | R/F:White L/F:Black L/R:Red R/R:Green |
| Upward deflection ____ electrode Downward deflection ___ electrode | *Positive *Negative |
| The P wave reflects the: | SA node: atrial contraction |
| The Q Represents: | Atrial depolarization |
| R represents: | AV node: Ventricle contraction |
| S represents: | Repolarization:relaxed ventricle |
| T represents: | Resting period |
Created by:
brit_2112
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