ECG stuff

Question 1

Lateral Infarct Q waves

Answer 1

I, AvL, V5, V6

Question 2

abnormal septal depolarization

Answer 2

Absent Q waves in aVL and I

Question 3

What is irregularly irregular?

Answer 3

A fibrilation

Question 4

MI axis deviation

Answer 4

away from MI

Question 5

Progression of transmural injury

Answer 5

Peaked T, T wave inversion, ST elevtion, Q wave

Question 6

hypercalcemia

Answer 6

short QT

Question 7

Torsades de pointes

Answer 7

v tach

Question 8

T peaks

Answer 8

Hyperkalemia

Question 9

Normal septal depolarization

Answer 9

Q waves in avL, I, V6

Question 10

Hypocalmeai

Answer 10

U wave (flattening of T)

Question 11

Hypertrophy axis deviation

Answer 11

towards axis

Question 12

LBBB

Answer 12

abnormal septal depolarization QRS > 0.12 sec V1 and V2 with wide S V5 and V6 with RSR’

Question 13

which have absent P waves?

Answer 13

Atrial fibrillation, junctional rhythm, V tac and fib, premature ventricular contraction

Question 14

Hyperkalemia

Answer 14

T peak

Question 15

Diffuse ST elevation

Answer 15

pericarditis

Question 16

LPFB

Answer 16

RAD, R1Q3 down up up

Question 17

T wave inversion

Answer 17

ischemia in low o2 demand

Question 18

RVH is

Answer 18

increase R wave in V1 and V2

Question 19

Atrial Hypertrophy Right

Answer 19

Peaked T waves in I, II, or III Biphasic P wave in V1

Question 20

hypocalcemia

Answer 20

long QT

Question 21

Ischemia

Answer 21

Alt. Ventricular repolarizattion - ST segment despression and T waves. St depression: ischemia in high oxygen demain (coronary insufficiency) T wave inversion: due to acute a. obstruction in low O2 demand.

Question 22

ST elevation

Answer 22

transmural injury

Question 23

Anterior Infarct Q waves

Answer 23

V1, V2, V3, V4

Question 24

Inferior infarct Q waves

Answer 24

II, III, aVF

Question 25

LVH is

Answer 25

increased R waves in I, aVL, V5 and V6 or \>11 in aVL, \>12 in I, and \>10 in aVF

Question 26

RBBB

Answer 26

Normal Septal Depolarization QRS\>0.12 sec RSR' or M shape in V1 and V2 Slurred S in I, aVL, V5, V6

Question 27

LAFB

Answer 27

LAD Q1R3 Up, down, down, with RBBB

Question 28

Q waves

Answer 28

necrosis; significant if \>0.4 wide or 1/4 height of QRS

Question 29

what has no QRS

Answer 29

V fibrillation, asystole

Question 30

Left Atrial Hypertrophy

Answer 30

But shape in I, II, or III Bisphasic P wave in V1

Question 31

ST depression

Answer 31

ischemia in high oxygen demand or subendocardial injury

Question 32

what is the trick for BBB?

Answer 32

go to J point and think turn signal

Question 33

Transmural injury

Answer 33

ST elevation

Question 34

Posterior Infarction

Answer 34

ST depression in V1 and V2 Tall R, no Q