13 results
Causes of hypophosphatemia - Differential Diagnosis
 • Increased losses: enhanced urinary phosphate excretion
 • Decreased input:
Causes of hypophosphatemia ... - Differential ... transfer • Primary defects ... genetically transmitted disorders ... Diagnosis #endocrinology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... - Quantitative Defect ... - Qualitative Defect ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet Defects ... syndrome Coagulation Defects ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... hyperparathyroidism Genetic disorders ... Hypercalcemia #Causes ... #Differential # ... Diagnosis #Endocrinology
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Qualitative Platelet Defects ... MYH9-Related Disorder ... #comparison #table ... #differential # ... diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... lymphoproliferative disorders ... Intrinsic RBC Defects ... #differential # ... diagnosis #hematology
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
hypocalcemia - Genetic defects ... or parathyroid hormone ... absent parathyroid hormone ... #Differential # ... Diagnosis #Endocrinology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... bruit or signs of hormonal ... Vasculitis • Endocrinologic ... Neurologic disorders ... #Differential #
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... or Qualitative defect ... coagulation, or defects ... discern these causes ... #Diagnosis #Hematology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Scaling, pustules, crusts ... restriction) • Hormonal ... loss #alopecia #Differential ... #Diagnosis #dermatology