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Venipuncture Test 1
For the fairest
| Question | Answer |
|---|---|
| Is it really necessary for an ECG to be performed in a quiet, warm examination room? | Yes, so it reduces somatic tremor artifacts due to patient discomfort |
| What is the function of standardization of the EKG machine | To ensure accuracy |
| Lead V6 is placed where? | horizontal level of position 4 at midaxillary line |
| Augmented leads are recorded when? | After bipolar leads |
| Which is not an electrode recording lead? | RL |
| What converts cardiac arrhythmia into normal sinus rhythm? | cardioversion |
| What is the electrical conduction system of the heart? | SA node to Purkinje fibers |
| Deoxygenated blood enters the heart where? | Right atrium |
| Define electrocardiogram | record of the electrical activity of the heart |
| What part of the limb are electrodes placed and why? | fleshy non-muscular part to minimize artifacts |
| What do you do after the electropad sensors are removed? | Assist the patient |
| What lead records electrical activity between the right arm and leg? | Lead II |
| What procedure is done with the injecting the patient with a radioactive substance? | Thallium Stress Test |
| What happens with ventricular tachycardia? | life is threatened |
| What is an important part of the pt education when preparing a pt to wear a holter monitor? | Keep an activity diary |
| What is not a characteristic of holter monitor electrodes? | that there are 6-7 |
| What artifact is caused by electrical interference? | AC interference |
| What artifact is caused by poor quality electrolyte gel? | Wandering baseline |
| IS it important to point power cord away from the pt and not allow the cable to go underneath the table? Why? | Yes because it could cause AC artifacts |
| Why are electrolytes used with ECG? | because skin is a poor conductor of electricity |
| What device placed on the skin that picks up electrical impulses given off by the heart? | electrodes |
| How many leads are recorded? | 12 |
| The standardization mark should be how high? | 10mm |
| Describe the electrocardiograph paper | heat sensitive |
| What describes the myocardial cells recovering electrically | repolarization |
| Contraction of the cardiac cells from electrical discharge is described how? | depolarization |
| Cardiac cycle represents what? | one heartbeat |
| Body's pacemaker | SA node |
| What is a treadmill stress test? | ECG tracing monitored by doctor |
| What are leads I II and III? | bipolar |
| Reasons to have an EKG? | heart arrhythmia, ischemia, effects of cardiac medications |
| Not a characteristic of of three- or multi-channel electrocardiogram | single lead reading |
| What is not a cause of somatic tremor artifacts? | improper grounding |
| What happens if the metal tip of a lead wire becomes detached from an electrode? | interrupted baseline artifacts |
| What is not recorded in the holter monitor patient activity diary? | name of the nearest relative |
| ECG reading that is within normal limits | normal sinus rhythm |
| A catheter with a deflated balloon is inserted into which of the arteries during coronary balloon angioplasty? | femoral artery |
| What is the coronary artery bypass? | Saphenous vein transplanted to coronary artery |
| What small devices sends a small dose of electricity to jar the heart back into a normal rhythm? | ICD |
| What is characterized by extremely rapid incomplete contractions? | atrial fibrillation |
Created by:
jenysis
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