Cardio Flashcards
Which ECG leads correspond to the lateral region?
Which coronary artery supplies the lateral region?
I, aVL, V5 and V6
Left circumflex artery
Give 2 examples of cardiac enzymes released following an MI
Troponin (I/T)
CK-MB
Which ECG changes may develop in the days following a STEMI?
T wave inversion
Pathological Q waves
Name 3 tests/investigations which can be used to investigate angina
Exercise tolerance test (ETT)
Myocardial perfusion scintigraphy
Coronary angiography
Which ECG leads correspond to the inferior region?
Which coronary artery supplies this region?
II, III, aVF
Right coronary artery
What are the characteristic ECG changes in acute pericarditis?
- Saddle shaped ST elevation (widespread)
- PR depression
What are the causes of pericarditis?
- Autoimmune, e.g. SLE
- Infective, e.g. coxsackie virus, HIV
- Trauma
- Post-MI (Dressler’s syndrome)
- Malignancy
What is Beck’s triad?
- Hypotension
- Raised JVP
- Muffled heart sounds