Cardiology Flashcards
What ECG changes are associated with hypothermia?
J-waves
Sinus brady
Long QTc
J-waves = small bumps at end of QRS
Why are beta-blockers no longer favoured as treatment of hypertension?
Less likely to prevent stroke and potential impairment of glucose tolerance.
What other pathology is associated with Strep Bovis infective endocarditis?
Colorectal cancer
What is the intervention of choice for severe mitral stenosis?
Percutaneous mitral valvotomy
What is the treatment of Torsades de Pointes?
IV Magnesium
To which molecule does troponin I bind?
Actin
When is a third heart sound heard?
- LV failure
- Constrictive pericarditis
- Mitral regurg
Caused by diastolic filling of ventricle
What does troponin T bind to?
Tropomyosin
What is the most specific ECG marker for pericarditis?
PR depression
Which cardiac valvular pathology is associated with angiodysplasia?
Aortic stenosis
What protein rises first following an MI?
Myoglobin
What is the most common cause of viral myocarditis?
Parvovirus
In which myocardial territory is an MI most likely to lead to AV block?
Inferior MI most commonly causes AV block
What ECG change is most typically associated with hypomagnesaemia?
QT prolongation
What ECG changes are associated with hypercalcaemia?
QT shortening
