abnormal EKG

Question 1

what does a notched Pwave mean?

Answer 1

conduction issues, atria not contracting at same time

Question 2

what might be the cause of a PR segment being longer than one small box (.2 sec)?

Answer 2

1 degree AV block

Question 3

what if a QRS wave is wider than .07-.11 sec?

Answer 3

slowing of conduction or possible PVC

Question 4

how to assess an EKG

Answer 4

1) is there a QRS for every p wave?
2) do all the P’s look alike- smooth and round?
3) What is the HR? axis?
4) is the P-P interval regular (60-100 bpm)
5) Is the P wave .08-.12?
6) is the PR interval .12-.20?
7) is the R-R regular?
8) is the QRS <.10
9) identify rhythm

Question 5

name the axis deviation: normal in children and tall thin adults?

Answer 5

R axis dev.

Question 6

name the axis deviation: R vent. hypertrophy

Answer 6

R axis

Question 7

name the axis deviation: L ant. hemiblock (RBBB)

Answer 7

L axis dev.

Question 8

name the axis deviation: Emphysema

Answer 8

L axis dev.

Question 9

name the axis deviation: hyperkalemia

Answer 9

L axis dev.

Question 10

name the axis deviation: PE

Answer 10

R axis dev.

Question 11

name the axis deviation: pace maker

Answer 11

L axis dev.

Question 12

name the axis deviation: L. posterior hemiblock

Answer 12

R axis dev.

Question 13

name the axis deviation: chronic lung disease like COPD (even without pulm. HTN)

Answer 13

R axis dev.

Question 14

name the axis deviation: atrial septal defect

Answer 14

R axis dev.

Question 15

name the axis deviation: Vent. septal defect?

Answer 15

R axis dev

Question 16

name the axis deviation: Q waves of inferior myocardial infarct

Answer 16

L axis dev.