McGraw was born in Vinita, Oklahoma, the son of Anne Geraldine Jerry (nee NÃ©e) stevens And Joseph. J McGraw, Mcgraw. Jr he grew up with two older, Sisters deana And, donna and younger Sister brenda in the oilfields Of North texas where his father was an equipment. supplier
Definition. Hypocalcemia, a low bood calcium level, occurs when the concentration of free calcium ions in the blood falls below 4.0 mg/dL (dL = one tenth of a liter). The normal concentration of free calcium ions in the blood serum is 4.0-6.0 mg/dL.
Symptoms of hypocalcemia include paresthesia, muscle spasms, cramps, tetany, circumoral numbness, and seizures. Hypocalcemia can also present with laryngospasm, neuromuscular irritability, cognitive impairment, prolonged QT intervals, electrocardiographic signs of myocardial infarction, or heart failure.