metabolic medicine/palliative/oncology/immuno Flashcards
Key features of hypocalcaemia
perioral paraesthesia, cramps, tetany and convulsions
criteria for familial hypercholesterolaemia
presence of tendon xanthomata and cholesterol levels meet the diagnostic
ECG changes seen in hyperkalaemia ..?…
tall-tented T waves, small P waves, widened QRS leading to a sinusoidal pattern and asystole
QRISK2 CVD risk assessment
for who?
aged 40 over
first-line management in patients with hypercalcaemia
iv fluids 0.9%
Hypocalcaemia:
clincal features?
ecg changes?
tx?
Hypocalcaemia: prolonged QT interval is an indication for urgent IV calcium gluconate
cancer associated with syndrome of inappropriate ADH
small cell lung cancer
During the acute phase response the liver decreases the production of proteins..?
ALBUMIN
relative contraindication to donepezil prescription?
resting bradycardia
mechanism of action of memantine?
Memantine - NMDA receptor antagonist
Cyclophosphamide mOA adverse effcts?:
Alkylating agent - causes cross-linking in DNA
Adverse effects: Haemorrhagic cystitis, myelosuppression, transitional cell carcinoma
Bleomycin: moa, s/e?
Bleomycin:
Degrades preformed DNA
Lung fibrosis
Fluorouracil (5-FU)
Fluorouracil (5-FU)
Pyrimidine analogue inducing cell cycle arrest and apoptosis by blocking thymidylate synthase (works during S phase)
Myelosuppression, mucositis, dermatitis
Vincristine, vinblastine
s/e?
moa?
Vincristine, vinblastine
Inhibits formation of microtubules
Vincristine: Peripheral neuropathy (reversible) , paralytic ileus
Vinblastine: myelosuppression
Breast cancer
pancreatic
tumor marker association
BREAST CA 15 -3
PANCREATIC 19 9
Alpha-feto protein (AFP):
Alpha-feto protein (AFP): Hepatocellular carcinoma, teratoma
S-100: TUMOR MARKER?
Melanoma, schwannomas
Beta HCG
non seminomintous testicular cancer
least inherited
CANCER
GASTRIC CANCER
Calcitonin- cancer?
Calcitonin- mediullay carcinoma
From To Conversion factor
Oral morphine Subcutaneous morphine?
Oral morphine Subcutaneous diamorphine ?
Oral oxycodone Subcutaneous diamorphine ?
Oral morphine Subcutaneous morphine Divide by 2
Oral morphine Subcutaneous diamorphine Divide by 3
Oral oxycodone Subcutaneous diamorphine Divide by 1.5
palliative care- tx for confusion?
first choice: haloperidol
other options: chlorpromazine, levomepromazine
In the terminal phase of the illness then agitation or restlessness is best treated with ?
midazolam
Palliative care prescribing: hiccups
chlorpromazine
palliative care
preferred opioids in patients with chronic kidney disease.
Alfentanil, buprenorphine and fentanyl
Anaphylaxis - ..?….rise following an acute episode
serum tryptase levels
Useful test for contact dermatitis.
SKIN PATCH TEST
Radioallergosorbent test (RAST) GOOD FOR?
Determines the amount of IgE that reacts specifically with suspected or known allergens, for example IgE to egg protein. Results are given in grades from 0 (negative) to 6 (strongly positive)
Useful for food allergies, inhaled allergens (e.g. Pollen) and wasp/bee venom