Vascular Flashcards
RFs for atherosclerotic disease?
Smoking, hypertension, hypercholesterolaemia, diabetes mellitus
(others include renal disease, male gender, family history, advanced age).
Definition of critical limb ischaemia?
Gangrene (can be wet or dry)
Definition of acute limb ischaemia?
6Ps
Sudden decrease in limb perfusion that causes a potential threat to limb viability
Vascular exam?
Look for scars
Count the number of toes, look between the toes
Feel for temperature and crude neurovascular assessment
Check cap refill
Feel for pulses correctly, including femoral pulse. Listen for bruits??
Feel for abdominal aneurysm
Special tests: Buerger’s test and ABPI.
Ix for limb claudication?
ABPI
Arterial USS duplex
Angiography
Treatment for PAD?
Smoking cessation
Exercise regime
Vasodilation
Endovascular/open
RFs for varicose veins?
age, gender, obesity, pregnancy, height, occupation. genetics
Treatment for open ulceration?
Use compression bandages
AAA screening programme details and cutoffs?
One-off screening at 65 y/o
Threshold for aneurysm is 3cm
Small AAA (3.0 cm to 4.4 cm) — the person is placed under surveillance and a repeat scan offered in 12 months.
Medium AAA (4.5 cm to 5.4 cm) — the person is placed under surveillance and a repeat scan offered in 3 months.
Large AAA (5.5 cm or larger) — the person is referred to a vascular surgeon.
Causes of transudative effusions?
atelectasis, heart failure, liver cirrhosis, hypoalbuminaemia, nephrotic syndrome, peritoneal dialysis, obstructive uropathy
Causes of exudative effusions?
Infection, trauma, PE, malignancy, lupus, RA, Wegener’s, hypothyroidism, OHS, pancreatitis , TB, ARDS, sarcoidosis
Diagnostic criteria for pleural effusion
Transudate
Protein <30 g/L (in patients with a normal serum protein level)
Exudate
Protein >30 g/L (in patients with a normal serum protein level)
Light’s criteria?
-The ratio of pleural fluid to serum protein is greater than 0.5
-The ratio of pleural fluid to serum LDH is greater than 0.6
-The pleural fluid LDH value is greater than two-thirds of the upper limit of the normal serum value
Treatment for aortic dissection?
A - aortic root and replacement surgery, beta blockers
B - beta blockers and bed rest
Ix for aortic dissection?
CT PAP