ECG changes

Question 1

inferior stemi leads

Answer 1

II, III, aVF. RCA

Question 2

Anterolateral stemi leads

Answer 2

V1-6, I, aVL

Question 3

posterior stemi

Answer 3

Changes in V1-3
-tall broad waves R waves
upright t waves

ST elevation and Q waves in posterior leads (V7-9)

Left circumflex artery

Question 4

anteroseptal stemi

Answer 4

V1-V4
LAD

Question 5

lateral stemi

Answer 5

I, aVL +/- V5-6
left circumflex

Question 6

when would you get arrhythmias after infarction

Answer 6

inf stemi
A right coronary infarct supplies the AV node so can cause

Question 7

acute pericarditis

Answer 7

PR depression and saddle shaped ST-segment elevation.

Question 8

Right bundle branch block associated with

Answer 8

tricyclic antidepressant (TCA) overdose and pulmonary embolism

Question 9

digoxin toxicity signs

Answer 9

down-sloping ST depression (commonly called ‘reverse tick’ sign) and flattened or inverted T waves.

Question 10

hypokalaemia

Answer 10

U waves
small or absent T waves (occasionally inversion)
prolong PR interval
ST depression
long QT

Question 11

hypothermia

Answer 11

acute ST-elevation
J waves
Osborn waves

Ozzy osborns got hypothermia cus he locked himself out while smoking a J and now hes having a heart attack cus hes so stressed