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MOD D
WEEK 3
| Question | Answer |
|---|---|
| Alternating Current | artifacts that appear as small, straight, spiked lines that are consistent in nature |
| Artifacts | additional electrical activity picked up by the electrocardiograph, appears as fuzzy lines |
| Augmented leads | aVR aVL aVF |
| Bipolar leads | leads 1,2,3 |
| Cardiac cycle | one complete heartbeat |
| Electrocardiogram | a recording of the electrical activity of the heart |
| Electrode | Device placed on the skin that picks up electrical impulses released by the heart |
| Galvanomter | changes the electrical voltage received by the electrocardiograph into mechanical motion |
| Normal Sinus Rhytm | term is used to refer to an electrocardiogram result that is within normal limits |
| Oxygen concentrator | oxygen delivery system that separates oxygen from the air for use by the patient |
| Segment | portion of the ecg between two waves |
| Spirotmeter | device that measures how much air is exhaled by the lungs and how fast it is exhaled |
| What is the purpose of electrocardiography? | detect a dysrhythmia; evaluate chest pain or shortness of breath; detect the presence of cardiac ischemia; determine the presence of hypertrophy of the heart |
| A disposable electrode is held in place by | An adhesive backing on the electrode |
| LIST ALL THE EKG LEAD PLACEMENT LOCATIONS | SEE CHART |
| WHAT MAY RESULT IN ARTIFACTS? | MUSCLE: pt discomfort, an apprehensive pt, pt coughing or talking 60 CYCLE INTERFERENCE ARTIFACT Lead wires not following body contour |
| what is the purpose of pulmonary function testing? | Assess lung functioning |
| what is the pt preparation requirement for spirometry? | dont eat heavy meal for 8 hrs b4 test, stop smoking at least 8 hrs b4 test wear loose, nonrestrictive clothing |
| list some characteristics of asthma | chronic disease with no cure. symptoms include: wheezing, sob, & chest pain. most often affects children and yound adults |
| list some asthma triggers | house dust tobacco smoke, animal dander, vigorous physical activity |
| what is the purpose of a peak flow meter | measure how quickly air flows out of the lungs |
| Describe a low range peak flow meter | can be purchased OTC. is used by children. ranges from 0-300 |
| what are the guidelines for measuring peak flow rate | tightly seal the lips around the mouthpiece, take a deep breath until the lungs are full. blow all the air out of your lungs fastly |
| what can lead to inaccurate peak flow measurements | pt is fearful and anxious. not moving the indicator to the bottom of the numbered scale. a crack in the peak flow meter |
| oxygen combines with glucose in the cells of the body to produce | energy |
| What may occur when the body cannot maintain an adequate oxygen level? | Death of cells. Organ failure. Body system failure. Death |
| List some conditions that may require home oxygen therapy | COPD . CHF. CYSTIC FIBROSIS |
| DESCRIBE A NASAL CANNULA | Most frequently used device for administering home o2 therapy. contains two prongs that are inserted into the pt nose. does not interfere with the pt ability to talk, ear, or drink |
| list the guidelines for O2 usage | store in a clean dry, well ventilated room. store oxygen cylinders in an upright position never smoke while using oxygen |
| what is the purpose of the halter monitor electrocardiography? | Assess the rate and rhythm of the heart during daily activities Evaluate patients with unexplained chest pain detect cardiac dysrhythmias that are intermittent in nature & Assess the effectiveness of a pacemaker |
| How high is the standardization mark when the electrocardiograph is properly standardized? | 10mm |
| what speed is the paper moving at for normal electrocardiograms? | 25 mm/sec |
| list some examples of pulmonary function test | diffusion capacity arterial blood gas studies pulse oximetry |
| which electrode is used as a ground reference | right leg |
| list some of the proper techniques to follow when running an electrocardiogram | working on the left side of the pt. positioning the machine so that the power cord doesn't run under the pt table. instructing the pt to lie still and not to talk during the procedure. fleshy part of limbs |
| how many leads are there on a standard electrocardiogram? | 12 leads 10 electrodes |
| what is the purpose of using an electrolyte when running an ECG | Facilitate the transmission of the electrical impulses of the heart |
| KNOW THE DEFINITION OF EACH OF THE ECG COMPONENTS | |
| AF | ATRIAL FIBRILLATION |
| CABG | CORONARY ARTERY BYPASS GRAFT |
| CAD | CORONARY ARTERY DISEASE |
| CHF | CONGESTIVE HEART FAILURE |
| COPD | CHRONIC OBSTRUCTIVE PULMONARY DISEASE |
| ENT | EAR NOSE & THROAT |
| MI | MYOCARDIAL INFARCTION |
| PAC | PREMATURE ATRIAL CONTRACTION |
| SOB | SHORT OF BREATH |
| VT | VENTRICULAR TACHYCARDIA |
| PVC | PREMATURE VENTRICULAR CONTRACTION |
| BOUNS*** | RECORD CARDIAC ACTIVITY 24HRS. NONINTRUSIVE PROCEDURE. MAINTAIN NORMAL DAILY THINGS. LIGHTWEIGHT. BATTERY POWERED RECORDER. PROTECTIVE CASE. BELT/SHOULDER STRAP. RECORDS ON A MAGNETIC CASSETTE TAPE |
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