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ekg 12 lead Test

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1.
how do you define 2nd degree, type 2 AV block?
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2.
what defines a "significant Q wave"?
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3.
what is an additional way to confirm RBBB diagnosis
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4.
how do you measure st segment
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5.
how many large boxes are in a 6 sec strip?
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6.
what defines ST elevation?
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7.
what are the values for triplets HR technique?
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8.
how do you define 3rd degree AV block?
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9.
if r to r cycles vary, use the 6 second method. how do you do this?
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10.
what is an additional way to confirm LBBB diagnosis
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11.
what does a LBBB look like on an EKG?
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12.
where do you look for posterior MI?
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13.
what does a RBBB look like on an EKG?
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14.
Whaat defines a LBBB?
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15.
how do you calculate HR using R to R meathod
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16.
where do you look for lateral MI?
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17.
how do you define 2nd degree, type 1 Mobitz AV block?
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18.
Whaat defines a RBBB?
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19.
where do you look for anterior MI?
A.
1 mm above baseline in limb lead, 2 mm above baseline in chest lead, 0.08 sec to right of J point. Lok for in towo or more leads facing same area
B.
in RBBB, the QRS comples has 2 r waves which gives a double-peaked appearance in V1 and V2
C.
pointed, defined, distinctive R peaks
D.
I, AVL, V5, V6 sig Q waves in I and AVL is an old high lateral MI wheras ST segment elevation is called an acute high lateral MI. V5&V6 look at the "low" lateral surface so Q waves or ST elevation in these leads show old and acute "low lateral MI"
E.
I, V5 and V6 the S wave has a slurred appearance or the end of the wave doesnt return sharply back up to baseline
F.
30
G.
count total small boxes X 0.04
H.
V1-V3 if the QRS complexes are mostly negative (like big Q waves) and the t waves are upright then confirmation of LBBB
I.
V1-V4 (ST segment elevation in V1 and V2 are slightly elevate.. do not over diagnose)
J.
at least 1 mm wide and greater than 1/3 the R wave
K.
two R waves, lazy slope in between the Rs - not as defined
L.
QRS is wide, mostly upright and t waves inverted in leads V5, V6, I
M.
successively longer PRI until one qrs fails
N.
PRI normal or prolongeds, PRI do not lengthen , sudden dropped QRS w/o prior changes
O.
count the number of complete QRS complexes in a 6 second strip and multiply by 10
P.
V1 and V2 for tall r waves that will not be accompanied by right axis deviation (hard to diagnose)
Q.
if difficult to find S wave, go 0.04 sec past R wave to determine S wave. Go 0.08 seconds from s wave to analyze st segment
R.
no association between atria and ventricles. depolarizing independently
S.
300, 150, 100, 75, 60, 50
Type the Answer that corresponds to the displayed Question.
incorrect
20.
where do you look for a LBBB
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21.
what is the normal QRS measure?
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22.
where do you look for inferior MI?
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23.
how do you define 1st degree AV block?
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24.
what is the normal PR interval measure
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25.
where do you look for a RBBB

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