3035 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Myelodysplasia Nutritional deficiency ... folate/combined deficiencies ... Diagnosis #Algorithm #Causes
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... • Factor VIII Deficiency ... • Factor IX Deficiency ... Disease • Other deficiencies ... Diagnosis #Algorithm #Causes
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... disorders, Nutritional deficiencies ... Clotting factor deficiency ... nonpalpable #palpable #Causes
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Acquired deficiency ... coagulation factors deficiencies ... Pre-analytical cause ... aPTT #Prolonged #Causes
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
Congenital Enzyme Deficiencies ... Idiopathic Other Causes ... Catecholamine Deficiency ... endocrinology #causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Abnormalities and Enzyme Deficiencies ... 5-a Reductase deficiency ... a Hydroxylase deficiency ... Congenital GnRH deficiency
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
Treat other deficiencies ... ketoacidosis (DKA) - caused ... complete insulin deficiency ... partial insulin deficiency ... Glucosuria causes
Causes of Altered Level of Consciousness GCS < 7 - Differential Diagnosis Algorithm

Brain Involvement - Hemispheric
Causes of Altered ... Storm Systemic - Deficiencies ... • B12/Thiamine deficiency ... Diagnosis #Algorithm #Causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Defects: Enzyme deficiencies ... G6PD deficiency) ... Extravascular #Causes
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
21-Hydroxylase Deficiency ... enzyme 21-OHase causes ... amount of enzyme deficiency ... Severe deficiencies