Posts Tagged ‘hypokalemia’

Poorly Controlled Diabetes Mellitus and Fatigue

Posted by Sara Fazio • May 31st, 2013

In the latest Case Record from the Massachusetts General Hospital, a 56-year-old woman with diabetes mellitus was admitted to the hospital because of hyperglycemia and chest pain. Approximately 4 years earlier, a chest radiograph showed a solitary pulmonary nodule in the right upper lobe. The differential diagnosis for uncontrolled diabetes includes undertreatment or misdiagnosis of… Read More…

Continuous Renal-Replacement Therapy

Posted by Sara Fazio • December 28th, 2012

In the latest review article in our Clinical Therapeutics series, a 20-year-old man with Marfan’s syndrome develops acute kidney injury after an aortic-valve replacement that was complicated by thoracic aortic dissection. Continuous renal-replacement therapy, rather than intermittent hemodialysis, is recommended because of hemodynamic instability. Acute kidney injury is characterized by a sudden decrease in kidney… Read More…

Dysfunction of the Diaphragm

Posted by Sara Fazio • March 9th, 2012

Dysfunction of one or both hemidiaphragms is an underdiagnosed cause of dyspnea. Weakness or paralysis may be seen during mechanical ventilation, after surgery or trauma, with metabolic or inflammatory disorders, and with myopathy, neuropathy, or diseases causing lung hyperinflation. The latest article in our Current Concepts review series includes videos showing ultrasonography of normal and… Read More…

Hypokalemia

Posted by Sara Fazio • February 10th, 2012

In the latest Case Record of the Massachusetts General Hospital, a 37-year-old man was admitted to this hospital because of 12 hours of muscle pain and weakness, resulting in the inability to rise from bed. Brief episodes of similar symptoms had occurred during the past month. He reported blurred vision, gynecomastia, and weight loss. Potassium… Read More…

Cushing’s Syndrome

Posted by Sara Fazio • December 30th, 2011

In the latest Case Record of the Massachusetts General Hospital, a 52-year-old man was admitted to this hospital because of weakness, leg swelling, and hypokalemia. During the hospital course, multiple infections were diagnosed and imaging studies revealed enlarged adrenal glands. A diagnostic procedure was performed. Once excess cortisol is suspected, laboratory testing is advisable for… Read More…

Chronic Diarrhea

Posted by Sara Fazio • December 16th, 2011

In this week’s Case Record of the Massachusetts General Hospital, a 34-year-old man was admitted to the hospital because of weakness, chronic diarrhea, and weight loss. Initial laboratory evaluation revealed a leukocytosis and hypokalemia. A diagnostic procedure was performed. Cystoisospora is distributed worldwide, but infections are most common in tropical and subtropical areas. It is… Read More…