What can cause hypercalcaemia?
Hyperparathyroidism
Hyperthyroidism
Bone malignancy
Thiazides (diuretic)
Dehydration
Excess calcium intake
How does hypercalcaemia affect an ECG?
Short QT segment
(Can progress to cause complete AV nodal block and cardiac arrest)
What are symptoms of hypercalcaemia?
Bones (pain)
Stones (renal)
Groans (pancreatitis, constipation)
Psychedelic moans (confusion, hallucination)
Decreased muscle tone and contractions