166 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... practices that could cause ... decreased PLT count: CBC ... disease), HBsAg/anti-HBc ... patients if the cause
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... (Pancytopenia, WBC ... Lymphocytic Leukemia (CBC ... Diagnosis #Algorithm #Causes
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Microscopy and Casts ... Squamous Epithelial Casts ... RBCs - Granular Casts ... - WBC Cast - ... RBC Cast - Fatty
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... urine sediment - WBC ... /RBC casts ... Diagnosis #Algorithm #Causes
Plasmodium falciparum life cycle
1: Mosquito bite, transmission of sporozoite
2: Liver, Asexual replication. 1 sporozoite → 10-30,000
Merozoites infect RBC ... RBC ruptures releasing ... Plasmodium #falciparum #lifecycle
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria: 3 or more RBC ... hematuria: - RBC ... - Dysmorphic RBC ... disease Renal Causes ... and SMA - Can cause
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
dysmorphic RBC’s, RBC ... /WBC casts, proteinuria
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Artifact (redo CBC ... Diagnosis #Algorithm #Causes
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... most possible causes ... The vitamin B12 (Cbl ... HC, releasing Cbl ... #Differential #Causes
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy - Casts ... Acellular Casts ... • Hyaline Casts ... : • RBC Casts - ... glomerulonephritis • WBC