ST segment

Question 1

Acute phase STEMI

Answer 1

STE and Q waves (in 50% by hour 6)

Question 2

Evolving phase STEMI

Answer 2

deep symmetric T wave inversions
ST to baseline
Q waves persist

Question 3

Resolving phase STEMI

Answer 3

partial/complete regression of T wave inversions

T waves persist

Question 4

___ and ____ do not show reciprocal STD with their STE

Answer 4

Benign early repol and Pericarditis

Question 5

Anterior V1-V3 reciprocal leads =

Answer 5

II III aVF

Question 6

Lateral I aVL, V5-V6 reciprocal leads =

Answer 6

II III aVF

Question 7

Inferior leads II III aVF reciprocal leads =

Answer 7

I, aVL

Question 8

Posterior leads V7 V8 V9 (tall R in V1 V2) reciprocal leads =

Answer 8

V1-V3/V4

Question 9

Anterior leads

Answer 9

V1-V4

Question 10

Lateral leads

Answer 10

I aVL V5-V6

Question 11

inferior leads

Answer 11

II III aVF

Question 12

Posterior leads

Answer 12

V7 V8 V9 (also tall R in V1 V2)

Question 13

LVH findings

Answer 13

S in V1 + R V5or6 > 35
R in aVL >11mm
ST elevation in V1 and V2
latreal T wave inversion

Question 14

LBBB findings

Answer 14

anterior STE with discordant QRS

STD in lateral leads with discordant QRS

Question 15

MI in LBBB findings

Answer 15

STE in one lead with concordant QRS

STD in V1 V2 or V3

Question 16

benign early repol findings

Answer 16

J point

STE small, upward concave in anterior precordium

Question 17

Pericarditis findings

Answer 17

Diffuse STE WITH PR depression

PLUS aVR STD and PRE

Question 18

hypothermia findings

Answer 18

Brady + J point (treat only with warming!)