31 results
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Sara Dong @swinndong ... Diseases #Infections ... #Microbiology # ... Differential #Ddx #Diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... → Refer to hematology ... : Acute blood loss ... Vasculitides, IBD, Celiac disease ... #Algorithm #hematology
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... of Skin + Eye infections ... Sara Dong @swinndong ... #eye #ocular #dermatology ... viral #fungal #Microbiology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Differential Diagnosis ... • Fungal infections ... vasculitis (inflamed blood ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... the total white blood ... which are released during ... Colitis and Crohn’s Disease ... #causes #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... , Drugs, Liver Disease ... Internal (RBC) - Infections ... - Peripheral Blood ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... conditions Diagnosis ... Burns • Protein-losing ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
synchronous or appearing during ... the disease course ... Infectious manifestations ... #differential #diagnosis ... #dermatology #oncology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Immunoglobulin M (IgM) • Blood ... sensitize red blood ... hemolytic #anemia #hematology ... #diagnosis
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Chronic kidney disease ... (e.g. cancer, infection ... G6PD deficiency), Infections ... Production #Index #hematology ... #differential #diagnosis