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