QUESTIONS WRONG Flashcards
What occurs to pulse presssure as SV increases?
it increases
what does the pain from aortic dissection usually feel like?
tearing pain
what will be found on the cT scan of aortic dissection?
a false lumen
what congenital defect is closely associated with Trisomy 13 (PATEU SYNDROME)?
ventricular septal defect
which structure in the heart has the fastest conducting veolicites?
Purkinje fibres
Cardiomegaly
increase size of heart
what would be found on a CXR of a patient with an aortic dissection?
Widened mediastinum
what bacteria causes inefective endocarditis if patient is IV drug user?
staphylococcus aures
Whats the role of Tropin I?
It binds to tropomyosin, forming troponin- tropomyosin complex
what suggests hypokalaemia on an ECG?
prolonged PR interval
what is the most common site of the aorta to rupture due to traumatic injury?
aortic isthmus
What are branches of the subclavian artery?
Mnemonic for the branches of the subclavian artery: VIT C & D
V ertebral artery
I nternal thoracic
T hyrocervical trunk
C ostalcervical trunk
D orsal scapular
Which structure of the heart prevents a fast atrial rate from spreading to the ventricles?
AV node
What are examples of contraidicators of warfarin?
NSAIDs, antibiotics such as erythromycin and ciprofloxacin, amiodarone and SSRIs (eg. fluoxetine).
What occurs to the PCWP in mitral stenosis and why?
it is raised due to raised ventricular pressure
