ECG pathologies

Question 1

Inverted T waves

Answer 1

• myocardial ischaemia
  digoxin toxicity
  subarachnoid haemorrhage
  arrhythmogenic right ventricular cardiomyopathy
  pulmonary embolism (‘S1Q3T3’)
  Brugada syndrome

Question 2

ischaemic changes in V1-V4

Answer 2

Left anterior descending artery

Question 3

ischaemic changes in V4-V6, 1 and AVL

Answer 3

Left anterior descending or left circumflex

Question 4

ischaemic changes in II, III, AVF

Answer 4

right coronary

Question 5

ischaemic changes in I, aVL +/- V5-6

Answer 5

Left circumflex

Question 6

ischaemic changes in V1-V3

Answer 6

Usually left circumflex, also right coronary

Question 7

Reciprocal changes of STEMI are typically seen: (with V1-V3 changes )

Answer 7

horizonatal ST depression
tall and broad R waves
upright T waves
dominant R wave in V2