11 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... differential #diagnosis #hematology
Characteristic features of the rash are:

-Rough texture (like sandpaper)
-Worse in the skin folds e.g. groin, axilla,
the skin folds e.g ... Pastia’s lines) #Clinical ... #Dermatology #Peds ... #Pediatrics #SkinRash
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology ... #SkinRash
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Microangiopathic hemolytic ... anemia (e.g. ... Microspherocytes: Autoimmune hemolytic ... Smear #Analysis #hematology ... interpretation #clinical
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
microangiopathic hemolytic ... DIC is a clinical ... Microangiopathic hemolytic ... count, D-dimer, egg ... #anemia #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
iron deficiency, hemolysis ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Clinical Presentation ... Fever is the main clinical ... underlying disease (eg ... • Infection (eg ... Diagnosis #Management #Hematology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
Rheumatic pain Clinical ... Diagnosis: • A clinical ... antiinflammatory properties e.g ... #Rheumatology # ... diagnosis #management #Dermatology
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
Crisis (SRC) Clinical ... microangiopathic hemolytic ... other pathology (e.g ... (short-acting, e.g ... vasodilators (ERAs
Helpful Clinical Features in Evaluating Bleeding Disorders
Age of onset
 • Neonate - in 20% of haemophilias,
Helpful Clinical ... Drug history, e.g ... connective tissue, e.g ... Marfan syndrome, ... pediatrics #diagnosis #hematology