ECG/Arrhythmia Buzzwords

Question 1

Sawtooth pattern

Answer 1

Atrial flutter

Question 2

Irregularly irregular

Answer 2

Atrial fibrillation

Question 3

Delta waves

Short PR interval

Answer 3

Wolff-Parkinson white

Question 4

Prolonged QT

Answer 4

Torsades de Pointes

Question 5

P-R interval is constantly prolonged

Answer 5

First-degree heart block

Question 6

P-R interval gets progressively longer then a QRS is dropped

Answer 6

Second-degree heart block: Mobitz type 1

Question 7

P-R interval is constant but long and then a QRS is dropped

Answer 7

Second-degree heart block: Mobitz type 2

Question 8

Atria and ventricles contract independently of each other

Answer 8

Third-degree heart block

Question 9

QRS complex looks like an “m” in V1-V3

Answer 9

Right BBB

Question 10

Broad QRS
ST elevation V1-V3
Right BBB

Answer 10

Brugada syndrome

Question 11

Saddle shaped ST elevation

Answer 11

Pericarditis

Question 12

ECG findings in hyperkalaemia (3)

Answer 12

Tall peaked T waves
Flattening or absence of P waves
Broad QRS complexes

Question 13

ECG Findings in PE

Answer 13

Deep S wave in Lead I: ≥1.5 mm
Q wave in Lead III: ≥1.5 mm
T wave inversion in Lead III
RBBB
Right axis deviation
Tachycardia

Question 14

ECG findings RBBB (3)

Answer 14

QRS >0.12 secs
RSR patterns in V1-3 (M shaped QRS)
Wide, slurred S wave in lateral leads (I, aVL, V5-6)

Question 15

ECG findings LBBB (5)

Answer 15

QRS >0.12 secs
Dominant S wave in V1
Broad, monophasic R wave in lateral leads (I, aVL, V5-6)
Absence of Q waves in lateral leads
Prolonged R wave peak time >0.06secs in V5-6

Question 16

ECG findings hypokalaemia

Answer 16

Elongated PR interval
T wave flattening/inversion
Prominent U wave
ST segment depression

Question 17

ECG findings in LVH

Answer 17

S wave depth in V1 + tallest R wave height in V5-V6 >35 mm

Question 18

ECG findings hypocalcaemia

Answer 18

prolonged QT interval

Question 19

ECG finding hypercalcaemia

Answer 19

shortened QT interval