EKGs

Question 1

LV strain pattern

Answer 1

inverted T and ST depression in V5, V6, I & II due to delayed repolarization

Question 2

R atrial enlargement finding

Answer 2

P wave height over 2.5mm in I,II or aVF

Question 3

L atrial enlargement finding

Answer 3

P wave width over 0.12sec in II or ant leads negative P wave in V1 notched (biphasic) P wave

Question 4

Wellens Syndrome on EKG

Answer 4

T wave inversion in V2 and V3 Due to LAD stenosis

Question 5

Brugada Syndrome on EKG

Answer 5

RBBB pattern with ST elevation in V1-V3 due to Na+ channel abnormality increased sudden cardiac death risk accentuated with fever or antiarrhythmics

Question 6

Causes of ST depression (3)

Answer 6

subendocardial infarction positive stress test digitalis

Question 7

Signs of prior MI on EKG

Answer 7

poor Q wave progression Q wave over 0.4sec (one square) wide inverted T waves

Question 8

Long QT Syndrome

Answer 8

QT over 1/2 cardiac cycle increased Ventricular arrhythmias

Question 9

EKG findings with COPD

Answer 9

low voltages R axis deviation multifocal atrial tachycardia

Question 10

EKG findings with PE

Answer 10

large S wave in I ST depression in II long Q wave in II with T wave inversion

Question 11

EKG findings with hyperkalemia

Answer 11

no P wave wide QRS peaked T wave

Question 12

EKG findings with hypokalemia

Answer 12

flat T wave U wave

Question 13

EKG findings with hypercalcemia

Answer 13

shortened QT

Question 14

EKG findings with hypocalcemia

Answer 14

prolonged QT

Question 15

Digitalis effect on EKG

Answer 15

ST depression with a rounded appearance

Question 16

Signs of digitalis toxicity

Answer 16

premature atrial beats (early sign) PVCs/ventricular bigeminy worsened with hypokalemia

Question 17

Quinidine toxicity effects on EKG

Answer 17

wide P wave wide QRS ST depression and prolonged QT U waves

Question 18

Brain insult/stroke on EKG

Answer 18

diffuse inverted T waves prolonged QT

Question 19

Chapman’s sign on EKG

Answer 19

for dx of MI with LBBB notched upslope of R wave in I, aVL or V6

Question 20

HCOM on EKG

Answer 20

large septal Q wave in lat and inf leads LVH usually present

Question 21

Ventricular aneurysm on EKG

Answer 21

ST elevation 6 wks after MI can mimic acute MI ST elevation described as “coving”

Question 22

Answer 22

Wolf Parkinson White Syndrome

Question 23

Answer 23

Wellens Syndrome

Question 24

Answer 24

Hypercalcemia

Question 25

Answer 25

Severe Hyperkalemia

Question 26

Answer 26

Right Bundle Branch Block

Question 27

Answer 27

Right Atrial Enlargement

Question 28

Answer 28

Hypocalcemia

Question 29

Answer 29

Pulmonary Embolism

Question 30

Answer 30

Anterior MI Poor R wave progression

Question 31

Answer 31

Prior MI

Question 32

Answer 32

Pericarditis

Question 33

Question 34

Question 35

Answer 35

LV strain

Question 36

Answer 36

Left Ventricular Hypertrophy

Question 37

Answer 37

Left Bundle Branch Block

Question 38

Answer 38

Left Atrial Enlargement

Question 39

Question 40

Answer 40

Hyperkalemia

Question 41

Answer 41

Hypertrophic Cardiomyopathy

Question 42

Answer 42

Early Repolarization

Question 43

Question 44