EKG DO NOT MISS IRREGULARITIES

Question 1

prolonged QT > __ is always abnormal

Answer 1

.500 sec = 2 large boxes

increased risk of: syncope, sudden death, developing vtach/vfib

Question 2

pathologic Q waves: Q waves > __ are always pathologic

Answer 2

2 mm

prior MI, esp in inferior leads (II, II, avF)

Question 3

HOCM

Answer 3

deep Q wave, large inverted T waves; idiopathic enlargement of the myocardium

Question 4

diffuse ST elevation; +/- prolonged PR in young healthy person

Answer 4

pericarditis

QRS should never be able to fit inside the T wave

pt will likely be in a lot of pain; often follows viral infxn

in young healthy person, do NOT do troponin

Question 5

S1Q3T3

Answer 5

pulmonary embolism

NSR is most common EKG in PE!!

if abnormal:

nonspecific T wave changes:

inversions

flattening

sinus tach

RAD

S1Q3T3