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AC interference

other electrical equiptment (cell phone, radio)

Angle of Louis

used in counting ribs, it is at the level of the second rib

Anterior axillary line

An imaginary vertical line starting at the edge of the chest where the armpit begins

artifact

additional electrical activity picked up by the electrocardiograph that interferes with the normal appearance of the ECG cycle

dextrocardia

abnormal condition where the heart is located toward the right side of the chest

intercostal space

The space between the ribs

midaxillary line

Imaginary vertical line drawn through the middle of the axilla (armpit), parallel to the midline.

midclavicular line

vertical line intersecting clavicle and running through or just medial to the nipple (2)

seizure

A sudden episode of involuntary muscular contractions and relaxation often accompanied by a change in sensation, behavior, and level of consciousness

somatic tremor

ARTIFACT THAT INDICATES MUSCLE MOVEMENT

STAT

Medical abbreviation for immediately; at this moment

suprasternal notch

Hollow, U-shaped depression just above the sterum, in between clavicles

wandering baseline

ARTIFACT THAT INDICATES WHEN THE STYLUS MOVES AWAY FORM THE CENTER OF THE PAPER

precordial

A type of lead placed on the chest in front of the heart, known as the V lead.

limb

an arm, leg, or wing

augmented

Normally small ECG lead tracings that are increaed in size by the ECG machine in order to be interpreted.

bipolar

a type of ECG lead that mesasures the flow of electrical current in two directions at the same time

unipolar

a type of ECG lead that measures the flow of electrical current in one direction only.

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