ANSWERS(GRADED A+)
EKG recording: PRI .24 sec, QRS .08 sec, Twave upright, heart rate 68 bpm -
ANSWER1st degree heart block
A female pt. has come for an EKG following a mastectomy. EKG electrodes should
be placed? - ANSWERas close to the surgery site as possible w/o touching site
artifacts is present in the EKG recording. which of the following actions should the
EKG tech take to correct the artifacts? - ANSWERremind pt not to move, use a
grounded electrical outlet, keep pt warm
which of the following instructions must be followed while wearing the Holter
monitor? - ANSWERcontinue normal exercise and working during monitoring, avoid
wearing jewelry, metal buttons, or buckles
if the RA-LA sensors are reversed on a pt, EKG will record a downward deflection
in? - ANSWERLEAD 1
which of the following are factors affecting the QT interval? - ANSWERelectrolyte
imbalance, heart rate, antidsyrhythmic
while obtaining vitals on an infant, how is the heart rate measured? -
ANSWERauscultate the apical pulse for 60 secs
a constant PRI that exceeds .20 sec indicates? - ANSWER1st degree heart block
which of the following is a typical characteristic of a PAC? - ANSWER2 P wave for 1
QRS complex
what are the 3 of PAC's? - ANSWERPRI measures WNL, rhythm will be regular with
occasional early complexes, QRS remains WNL
for a annual EKG visit pt is asked what instructions? - ANSWERdont use lotions,
creams, remove stockings and roll up pant legs, as needed
three big boxes between the R-R intervals indicate? - ANSWER100 bpm
the EKG tech should enter the medications that the pt is taking into the? -
ANSWERelectcardiogram
ST segments depression with Twave inversion indicates which if the following
arrhythmia's? - ANSWERBBB
to ensure accuracy during the EKG procedure the tech should? - ANSWERtell pt to
undress from the waist up, donning the gown with the opening front
, which of the following is the most common lead used to evaluate componets of the
strip? - ANSWERLEAD 2
Ventricular pacemaker cells are found at the ? - ANSWERPurkinjie fibers
Lead 2 records the tacing between which following limbs? - ANSWERRA & LL
The EKG tech has now completed the EKG procedure. Following standard
precautions, the EKG tech should? - ANSWERSanitize & disinfect reusable
equipment & return it to storage
the EKG tech needs to obtain vital signs on an emaciated 85 lbs geriatric female with
an oxygen mask prior to obtaining her EKG. which should tech have on hand? -
ANSWERtemporal thermometer & child blood pressure cuff
which of the following pts. requires modified placement of the electrodes? -
ANSWERamputation limbs
what are the standard EKG measurements? - ANSWERvertically 5mm,.5mv &
horizontally 1mm, .04 sec
improper grounding of the EKG during set up is mostly likely too result in? -
ANSWERalternating current artifact
while monitoring a stress test on a 56 y.o. male, the EKG tech should stop the test
when? - ANSWERphysician recognizes asymptomatic
the physician orders an EKG on a pt with severe burns on his left arm. which of the
following alternate placements should tech use? - ANSWERall upper limb leads
symmetrically placed as close to the the original site as possible
while performing an EKG on a pt, electrodes keep falling off. choose 3 things tech
should do? - ANSWERplace tape over electrodes, clean skin with 70% isopropyl
which of the following occurs when a singular irritable impulse fires so rapidly it
bombards the AV node, causing V shaped/upside V shaped waves? - ANSWERA-
flutter
proper electrode placement for continuous EKG monitoring is identified by the use
of? - ANSWER3 leads placed on pts torso
In rlectrocardiography, the degrees of variation (horiz/verti) are known as? -
ANSWERTime and amplitude
A pt. arrives late after witnessing an auto accident. In preparation for running the pts
EKG, the tech notes an increased anxiety level. Which of the following should the
tech do? - ANSWERSpeak clearly and softly to pt, allow time for the pt to relax,
document the pts state in the report