FPC: EKG interpretation help

Question 1

a patient with bradycardia has an EKG that shows prolonged PR interval and no drop in QRS

Answer 1

1st degree AV block

Question 2

a patient with bradycardia has progressively prolonged PR interval and a drop in QRS

Answer 2

2nd degree AV block mobitz I

Question 3

a patient with bradycardia has a consistently long PR interval and dropped QRS

Answer 3

2nd degree AV block mobitz II

Question 4

a patient with bradycardia has p waves and QRS waves that don’t seem to be associated with each other

Answer 4

3rd degree AV block

Question 5

what does a normal axis on EKG look like

Answer 5

lead I and aVF both have the QRS pointed up

Question 6

what does left axis deviation look like on EKG

Answer 6

lead I pointed up, aVF and lead II pointed down

Question 7

what causes left axis deviation

Answer 7

something impacting depolarization of the left ventricle

Question 8

what does right axis deviation look like on EKG

Answer 8

lead I QRS points down, aVF points up

Question 9

a prolonged PR is indicative of

Answer 9

AV block

Question 10

what is the triad seen in WPW

Answer 10

delta wave, short P wave, and wide QRS

Question 11

what is a biphasic P wave in V1 indicative of

Answer 11

left atrial enlargement

Question 12

a biphasic P wave in V1 with a large P wave in lead II is indicative of

Answer 12

right atrial enlargement

Question 13

a patient comes in with an EKG showing ST depression and an inverted T wave. what do you do?

Answer 13

check troponin; negative troponin indicate unstable angina, positive troponin indicates NSTEMI