endocrine-calcium and bones Flashcards
what is osteitis fibrosa cystica
formation of cyst like brown tumours in and around the bone
what is osteitis fibrosa cystica caused by
hyperparathyroidisim
what are the symptoms of hypercalcaemia
thirst, dehydration, confusion, polyuria
chronic: myopathy, osteopaenia, fractures, depression, hypertension
abdo pain-pancreatitis, ulcers, renal stones
what is teriparatide
a recombinant form of parathyroid hormone
what are the biochem results of primary hyperparathyroidism
increase in PTH, increase in serum calcium, low phosphate and serum:creatinine clearance is >0.01
what is the album level like in primary and tertiary hyperparathyroidism
normal/low
when is the urine calcium decreased
in familial hypocalciuric hypercalcaemia
how is hypoclaciuric hypercalcaemia inherited
autosomal dominant
how do you start foses of metformin
start low and then increase
which diabetes drug can interfere with vitamin B12 and folic acid absorption
metformin
what are the long term benefits of metformin
prevention of microvascular and macrovascular complications from diabetes
how does pioglitazone work
agonists of the PPARy receptor which increases increase the number of adipocytes and fatty acids promote the uptake and storage in adipocytes
decreased hepatic output and enhance action of insulin at target tissues
how does metformin affect weight
weight neutral but can cause weight loss
what are the symptoms of hypocalcaemia
paraesthesia-in fingers toes, perioral muscle cramps-tetany muscle weakness fatigue bronchospasm or larngospasm chovsteks sign-tapping over facial nerve trousseau sign-carpopedal spasm