data interpretation Flashcards
causes of hypernatraemia
all start with d
- dehydration
- drips
- drugs
- diabetes insipidus
neutrophil count caused by clozapine
low
neutrophil count caused by carbimazole
low
platelet count caused by penicillamine
low
platelet count caused by heparin
low
causes of SIADH
SIADH
- small cell lung tumour
- infection
- abscess
- drugs - carbamezepine
- head injury
hypokalemia drugs
DIRE
- drugs - loop and thiazide diuretics
- inadequate intake/loss (diarrhoea)
- renal tubular acidosis
- endocrine (cushings)
hyperkalaemia
DREAD
- drugs - potassium sparking and ACE
- renal failure
- endocrine (Addisons)
- artefact (clotted)
- DKA
raised urea indicates
kidney injury
upper GI bleed
raised bilirubin on its own indicates
prehepatic jaundice
raised bilirubin and raised AST/ALT indicates
intrahepatic
- hepatitis
- cirrhosis
- malignancy
raised bilirubin and ALP indicates
posthepatic (obstructive)
- stone
- drugs
what can cause metabolic alkalosis
vomiting
diuretics
conn syndrome
what is preferred instead of morphine in renal failure
oxycodone/fentanyl
signs of digoxin toxicity
confusion
nausea
visual halos
arrhythmias