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EKG
CMA
| Question | Answer |
|---|---|
| V6 is placed ______________ on the left 5th intercostal space | Midaxillary |
| Which of the following electrodes is placed midclavicular in the 5th intercostal space | V4 |
| The Angle of Louis is a landmark that helps determine the location of the ____________ | 1st intercostal space |
| How many electrodes are used in a 12 Lead ECG | 10 |
| Where is the ground electrode placed | right leg |
| which of the following electrodes is placed in the 4th intercostal space next to the sternum on the left side of the chest? | V2 |
| The electrode placed in the fourth intercostal space parasternal on the right side of the chest is known as | V1 |
| Which of the following structures serves as the hearts pacemaker | SA node |
| which of the following structures delays the nerve impulse allowing the ventricles to completely fill before they contract? | AV Node |
| ____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 |
| 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 |
| 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 |
| The lead wire connected to the electrode on the right arm is: | white |
| The term dextrocardia refers to: | The ventricles are shifted to the right instead of the left |
| Which of the following lead wires is the ground? | RL |
| The color of the ground lead wire is: | Green |
| To prevent overcrowding on an infant or small child_____can be moved to the right side. | V3 |
| the lead wire connected to the electrode placed on the left arm is: | Black |
| The lead wire connected to the electrode placed on the left leg is | Red |
| 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. |
| If a patient has dextrocardia, which will be the ground? | LL |
| If the patient has dextrocardia, where would V1 be placed? | Left side 4th intercostal space parasternal |
| A flat line or a base line is also known as | isoelectric |
| if there are more than 5 large boxes between "R"s, the patient is expirencing_______________ | bradycardia |
| In order to increase the amplitude you must increase the________on the ECG machine | Gain |
| The_____________________axis represents speed on an ECG | Horizontal |
| One small square is___________seconds | .04 |
| One large square is___________seconds | .02 |
| The QRS complex should be__________on a normal ECG | 3 small squares or less |
| What is the standard speed of an ECG | 25mm/sec |
| A PR interval is expected to be________seconds | .16 |
| if there are less than 3 large boxes between the "R"s, thepatient is expirencing | tachycardia |
| What Does the P wave represent? | Atrial depolarization |
| ST elevation can indicate | myocardial |
| The T wave represents | ventricular repolarization |
| The QRS complex represents | venticular depolarization |
| A blockage of a coronary artery can prevent blood from nurishing cardiac muscle. this condition is known as: | Myocardial ischemia |
| The PR interval starts at the___________________of the P wave and ends at the______________________of the QRS. | beginning,beginning |
| The QT interval starts at the____________of the QRS and ends at the________of the T wave | beginning, end |
| ____________________________is known as the pacemaker of the heart. | SA node |
| The________________________delays the conduction in order to keep the artia and ventricles in rhythm | AV Node |
Created by:
mitzidebeer