ECG Interpretation

Question 1

Axis positive in lead 1 and 2

Answer 1

Normal

Question 2

Axis positive in lead II, negative in I

Answer 2

RAD

Question 3

Axis positive in 1, negative in 2

Answer 3

LAD

Question 4

Negative in leads I and II

Answer 4

RAD/NW axis

Question 5

P waves not associated with QRS

Answer 5

Heart block

Question 6

Absent p waves

Answer 6

Atrial issue - a fib or flutter

Question 7

Sawtooth baseline

Answer 7

Flutter waves

Question 8

Chaotic baseline

Answer 8

Fibrillation

Question 9

Flat line

Answer 9

No atrial activity at all

Question 10

Broad QRS

Answer 10

Ventricular ectopic beat, BBB

Question 11

T waves are due to

Answer 11

Repolarization of the ventricles

Question 12

Tall T waves

Answer 12

Hyperkalemia, STEMI

Question 13

Lateral leads

Answer 13

I, aVL, V5, V6

Question 14

Inferior leads

Answer 14

II, III, aVF

Question 15

Anterior septal eads

Answer 15

V1-4

Question 16

Leads V1-V4 are

Answer 16

Anterior/septal

Question 17

Leads I, AVL, V5 V6 are

Answer 17

Lateral

Question 18

Leads II, III, aVF are

Answer 18

Inferior

Question 19

No p wave produces a QRS in

Answer 19

Complete heart block

Question 20

Symptoms seen in patient with complete heart block

Answer 20

Syncope, angina, presyncope

Question 21

RBBB characteristic appearance on ECG

Answer 21

Anterioseptal leads have bunny ears “triphasic complexed”

Question 22

1st degree AV block

Answer 22

Long PR interval

Question 23

2nd degree AB block Wenckebach 1 presentation on ECG, and potential causes?

Answer 23

Progressive prolongation of PR then a dropped P wave.

Can be caused by BB, CCB, digoxin, inferior MI.

Question 24

2nd degree AV block mobitz type II

Answer 24

Intermittent non conducted P waves, without progressive prolongation

Question 25

Right atrial hypertrophy

Answer 25

Tall non M shaped P’s in lead II

Question 26

LVH signs on ECG

Answer 26

Tall R waves in lateral leads V5 V6 | High voltage

Question 27

Signs of pericarditis on ECG

Answer 27

Diffuse ST segment elevation in all leads with PR depression and tachycardia

Question 28

PACs

Answer 28

Early odd shaped P wave

Question 29

Single beat with no P wave and wide QRS in odd locations on ECG

Answer 29

PVCs

Question 30

WPW syndrome

Answer 30

Delta waves, tachycardia

Question 31

V Tac

Answer 31

QRS constantly abnormally wide, p waves cant be seen

Question 32

SVT tachycardia

Answer 32

Has P waves

Question 33

Acute inferior MI

Answer 33

ST elevation in inferior leads (II, III, aVF)

Question 34

Septal MI on ECG

Answer 34

ST elevation in V2 and V3

Question 35

What percentage on PFT is abnormal

Answer 35

<70% FEV1

Question 36

Bronchodilator response

Answer 36

200mL difference and 12% change

Question 37

Low lung volume on PFT

Answer 37

Pulmonary fibrosis, neuromuscular, chest wall and pleural disorders

Question 38

Arrhythmias of sinus node origin

Answer 38

Sinus tachycardia, bradycardia, arrhythmia

Question 39

Multifocal atrial tachycardia is classically seen in patients with

Answer 39

COPD

Question 40

Differential of wide complex regular tachycardia

Answer 40

VTAC, SVT with abberancy

Question 41

DDx tachycardia narrow complex with regular rhythm

Answer 41

Sinus tac, atrial tac, AVNRT, AVRT, a flutter

Question 42

DDx tachycardia with narrow complexes, irregular rhythm

Answer 42

A fib, a flutter with variable conduction, MAT