Misc Flashcards
What blood film changes are most frequently seen after splenectomy (5)?
1) Howell Jolly bodies (nuclear remnant)
2) Target cells
3) Heinz Bodies (Denatured haemoglobin)
4) Pappenheimer bodies (Iron deposits)
5) Spurr cells (Acanthocytes)
Reticulocytosis
What are the types of Necrotisng fasciitis?
Type 1 - polymicrobial
Type 2 (15%) - Isolated pathogen, mostly Strep pyogenes
Type 3 - gas gangrene - clostridium perfringens
What are the metabolic manifestations of Refeeding syndrome (4)?
Hypophosphataemia
Hypokalaemia
Hypomangesaemia
Abnormal fluid balance
How is Hodkins Lymphoma staged?
Ann Arbor staging system 1 - single lymph node region 2 - 2+ same side of diaphragm 3 - both sides of diaphragm 4 - extra nodal sites
What are the characteristic histology findings of Actinomycetaceae infections?
- Gram positive anaerobe
- ‘Suphur granules’ - colonies appearing as round or oval basophilic masses
What are the serology findings of acute and chronic Hep B infections?
Acute = HBsAg+ve Anti-HBs -ve, AntiHBc IgM+ Chronic = HBsAg+ve Anti-HBs -ve, AntiHBc IgG+
Which anaesthetic agent characteristically causes adrenal suppression?
Etomidate
How should patients at risk of refeeding syndrome be managed?
Start at 10kcal/kg/day build up over 4-7 days
Coadminister Oral thiamine, Vit B Co Strong and supplements
Give additional K+ (2-4mmol/kg), Phosphate (0.3-0.6mmol/kg) and Magnesium (0.2-0,4mmol/kg)
Which subtypes of Hodgkins lymphoma carry the worst and best progosis?
Lymphocyte rich classical (Best) Lymphocyte depleted (Worst)
Others - Nodular sclerosing, mixed cellularity