CMA
Help!
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| V6 is placed ______________ on the left 5th intercostal space | Midaxillary
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| Which of the following electrodes is placed midclavicular in the 5th intercostal space | V4
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| The Angle of Louis is a landmark that helps determine the location of the ____________ | 1st intercostal space
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| How many electrodes are used in a 12 Lead ECG | 10
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| Where is the ground electrode placed | right leg
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| which of the following electrodes is placed in the 4th intercostal space next to the sternum on the left side of the chest? | V2
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| The electrode placed in the fourth intercostal space parasternal on the right side of the chest is known as | V1
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| Which of the following structures serves as the hearts pacemaker | SA node
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| which of the following structures delays the nerve impulse allowing the ventricles to completely fill before they contract? | AV Node
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| ____is placed equidistantly between the electrode located in the fourth intercostal space parasternal and the electrode located in 5th intercostal space midclavicular on the left side of the chest | V3
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| A CMA is performing an ECG on a 46 year old female patient that had her right leg amputated due to complications from diabetes melllitus Type 2. What adjusments need to be made when placing electrodes on the patient? | The lower extermity electrodes should be placed on the lower torso
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| When placing ECG electrodes on an infant patient, the CMA realizes that the chest electrodes cannot be placed correctly due to overcrowding. The CMA should: | Move V3 to the right side of the chest and place it between the 4th and 5th intercostal spaces
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| The lead wire connected to the electrode on the right arm is: | white
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| The term dextrocardia refers to: | The ventricles are shifted to the right instead of the left
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| Which of the following lead wires is the ground? | RL
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| The color of the ground lead wire is: | Green
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| To prevent overcrowding on an infant or small child_____can be moved to the right side. | V3
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| the lead wire connected to the electrode placed on the left arm is: | Black
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| The lead wire connected to the electrode placed on the left leg is | Red
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| If the patient is an amputee and is missing his right leg, what adjusments would you make? | The ECG technician would place both the right and left leg electrodes on the lower torso.
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| If a patient has dextrocardia, which will be the ground? | LL
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| If the patient has dextrocardia, where would V1 be placed? | Left side 4th intercostal space parasternal
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| A flat line or a base line is also known as | isoelectric
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| if there are more than 5 large boxes between "R"s, the patient is expirencing_______________ | bradycardia
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| In order to increase the amplitude you must increase the________on the ECG machine | Gain
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| The_____________________axis represents speed on an ECG | Horizontal
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| One small square is___________seconds | .04
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| One large square is___________seconds | .02
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| The QRS complex should be__________on a normal ECG | 3 small squares or less
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| What is the standard speed of an ECG | 25mm/sec
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| A PR interval is expected to be________seconds | .16
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| if there are less than 3 large boxes between the "R"s, thepatient is expirencing | tachycardia
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| What Does the P wave represent? | Atrial depolarization
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| ST elevation can indicate | myocardial
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| The T wave represents | ventricular repolarization
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| The QRS complex represents | venticular depolarization
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| A blockage of a coronary artery can prevent blood from nurishing cardiac muscle. this condition is known as: | Myocardial ischemia
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| The PR interval starts at the___________________of the P wave and ends at the______________________of the QRS. | beginning,beginning
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| The QT interval starts at the____________of the QRS and ends at the________of the T wave | beginning, end
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| ____________________________is known as the pacemaker of the heart. | SA node
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| The________________________delays the conduction in order to keep the artia and ventricles in rhythm | AV Node
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