This episode covers a range of topics related to calcium:- pathophysiology of calcium homeostasis - causes of hypercalcaemia- workup of hypercalcaemia- presentation including symptoms and signs of hypercalcaemia- primary, secondary and tertiary hyperparathyroidism- diagnostic tests for diagnosis of primary hyperparathyroidism- imaging modalities to localise parathyroid adenomas- medical and surgical management of hyperparathyroidism and hypercalcaemia- and management of postoperative hypocalcaemiaDisclaimerThe information in this podcast is intended as a revision aid for the purposes of the General Surgery Fellowship Exam.This information is not to be considered to include any recommendations or medical advice by the author or publisher or any other person. The listener should conduct and rely upon their own independent analysis of the information in this podcast.The author provides no guarantees or assurances in relation to any connection between the content of this podcast and the general surgical fellowship exam.  No responsibility or liability is accepted by the author in relation to the performance of any person in the exam.  This podcast is not a substitute for candidates undertaking their own preparations for the exam.To the maximum extent permitted by law, no responsibility or liability is accepted by the author or publisher or any other person as to the adequacy, accuracy, correctness, completeness or reasonableness of this information, including any statements or information provided by third parties and reproduced or referred to in this document. To the maximum extent permitted by law, no responsibility for any errors in or omissions from this document, whether arising out of negligence or otherwise, is accepted.The information contained in this podcast has not been independently verified.© Amanda Nikolic 2021