Severe Hypercalcemia-Induced Electrocardiographic Abnormalities as the Presenting Manifestation of Multiple Myeloma: A Case Report
Background: Severe hypercalcemia may cause neuropsychiatric manifestations, acute kidney injury, and characteristic electrocardiographic (ECG) abnormalities. In older adults, these findings may mimic acute coronary syndromes or primary rhythm disorders, resulting in diagnostic delay. Case presentation: An 82-year-old w...