Case Presentation: A 34 year old male with a history of CVID subclass 2 and 4, with low IgG level, absent IgA, liver nodular regenerative hyperplasia with portal hypertension, and immune thrombocytopenic purpura status post splenectomy presented with a month of nonproductive cough, mild episodes of hemoptysis, and shortness of breath. Physical exam revealed peripheral [...]

Case Presentation: A 21-year-old female with history of IgG immune deficiency requiring intravenous immunoglobulin transfusions from the age of 12-17 presented to our service with one-week complaint of dizziness and fatigue. At presentation, she reported dyspnea, chest pain, intermittent palpitations, and nausea. She had had a brief pre-syncopal episode and an episode of nausea and [...]

Case Presentation: SH is a 61-year-old male with history of recurrent giardia who presented to the Emergency Department for evaluation of generalized weakness and weight loss in the setting of chronic. Over the past 4 years, he has had recurrent giardia infection despite multiple antiprotozoal agents. Upon presentation, he reported 7 watery, foul-smelling, copious episodes [...]

Case Presentation: Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by hypogammaglobulinemia and heterogenous manifestations. We present a 67-year-old woman admitted inpatient for fluctuating mental status changes along with intermittent fevers and diaphoresis for several months. Her medical history is notable for congestive heart failure, obstructive sleep apnea, and chronic abdominal pain in the [...]