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Med239 ECG

Ch 4 Terms

TermDefinition
Alternating Current (AC) interference Unwanted markings on the ECG caused by other electrical current sources.
Angle of Louis A ridge about an inch or so below the suprasternal notch where the main part of the sternum and the top of the sternum, known as the manubrium, are attached.
Anterior Axillary Line An imaginary vertical line starting at the front axilla that extends down the left side of the chest.
Body mechanics is using movements that maintain proper posture and avoid muscle and bone injuries (Table 4-1).
Dextrocaridia When the heart is on the opposite or right side of the chest.
Intercostal space (ICS) The space between two ribs.
Interrupted baseline When one or more leads appears as a flat line on the ECG tracing. Usually caused by loose or unplugged leads.
Midaxillary line An imaginary vertical line that starts at the middle of the axilla (armpit) and extends down the side of the chest.
Midclavicular Line An imaginary line on the chest that runs vertically through the center of the clavicle.
Paraspinous Line Imaginary line on the spine that runs vertically through the side of the spine.
Posterior Axillary LIne Imaginary line on the back that runs vertically from the shoulder down on the outer edge of the rib cage.
Seizure An interruption of the electrical activity in the brain that causes involuntary muscle movement and sometimes unconsciousness.
Somatic tremor Voluntary or involuntary muscle movement; also known as body tremor.
Suprasternal Notch The dip you feel at the anterior base of the neck just above the manubrium, where the clavicle attaches to the sternum.
Wandering baseline Artifact in which the tracing drifts away from the center of the graph paper. Also known as baseline shift.
Midscapular Line Imaginary line on the back that runs vertically through the center of the scapula.
Created by: BrilliantMAs
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