111 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelofibrosis Infectious ... disorders • Celiac disease ... effect following treatment ... #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... , Chronic Infection ... (>100 fL) • B12 ... Diagnosis #Algorithm #Causes ... #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar ... rash • SLE ... infection • Lyme ... Dermatomyositis Erythema chronicum
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... 🦪 🦀 sepsis: chronic ... liver disease, ... #dermatology #legs ... #clinical #photo
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... : Chronic infections ... Diagnosis #Algorithm #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... called "Bazin's disease ... acute Parvovirus B19 ... fifth disease). ... differential #diagnosis #dermatology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
kidney disease, ... Megaloblastic: Vitamin B12 ... Alcohol use, Liver disease ... differential #diagnosis #causes ... #hematology
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus Serology ... hepatitis B - Chronic ... (about 10% of cases ... less commonly, infection ... diagnosis #laboratory #hepatology
Acute-on-Chronic Liver Failure (ACLF) Clinical Guidelines

ACLF = possibly reversible condition in those with CLD (± cirrhosis)
Failure (ACLF) Clinical ... months without treatment ... underlying liver disease ... Coagulation Failure Infections ... Failure #Cirrhosis #Hepatology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs on Smear • Chronic ... Deficiency • B12 ... Disease • Marrow ... Diagnosis #Algorithm #Causes ... #Hematology