Wednesday 6 October 2010

Hypercalcemia in MRCP(2)


Hypercalcemia in MRCP(2)

As a medical student many years ago, I remembered I have to memorize a lot of medical mnemonics. It is easy to remember how a patient with hypercalcemia presents to hospital, just remember this sentence,



“ STONES, BONES, ABDOMINAL MOANS, AND PSYCHIC GROANS”

Let me explain these symptoms briefly,
1) Stone-

I think it is rather straightforward, high calcium in the blood also translates high calcium in the urine, therefore you are prone to get stone. Besides that, patients with hypercalcemia also easily get dehydration because they might have polyuria due to nephrogenic diabetes insipidus.

2) Abdominal moans-

Hypercalcemia leads to constipation, abdominal colic and pancreatitis.

3) Bones-

You get bone pain because there is increased in bone resorption/ breakdown due to tumour ( causing pathological fracture) or hyperparathyroidism.

4) Psychic groans-

I can’t explain this, hypercalcemia can cause psychosis, confusion etc. You have to remember it!!But I think all the electrolyte imbalances can cause some kind of mental problems.

About the treatment of hypercalcemia, I think it is not so important to remember, anyway, remember the following strategies,
1) Rehydration
2) Steroids
3) Calcitonin
4) Biophosphonates
5) Plicamycin
6) Dialysis
7) And of course, treat the underlying cause!!

However, just want to remind all of you, there are a few causes of hypercalcemia that you might can’t explain the mechanism involved but they are important. These causes are thyrotoxicosis, Addison’s disease and acromegaly.

If you can explain the mechanism involved, please share with other readers!!

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