29 results
Tweetorial - Stevens Johnson Syndrome (SJS)

By Dr. Steven Chen @DrStevenTChen

#StevensJohnsonSyndrome #SJS #Dermatology #Diagnosis #Tweetorial #Pathphysiology
Stevens Johnson Syndrome ... StevensJohnsonSyndrome #SJS #Dermatology ... #Diagnosis #Tweetorial ... #Pathphysiology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... fluid-filled lesions may start ... red-flags to exclude dermatologic ... Immunocompromised #Diagnosis ... #Dermatology #Rash
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... ) Low MCV - <80fL ... Myelodysplastic syndrome ... #differential #diagnosis ... #causes #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... Myelodysplastic syndrome ... myeloid leukemia (CML ... #Differential #Diagnosis ... #Causes #hematology
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Laboratory #Metabolism #ASTALT ... #AlkPhos #Bilirubin ... #Hepatology #Pathophysiology ... #Diagnosis #LFTs
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... autosomal recessive salt-losing ... #Pathophysiology ... #nephrology #diagnosis
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
/dL or CC < 40 ml ... M spike: • CML ... plasmacytoma, POEMs syndrome ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential Diagnosis ... Primary: - CML ... Hypereosinophilic Syndrome ... #Differential #Diagnosis ... #Causes #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... Leukostasis: • Pathophysiology ... : • Pathophysiology ... #TLS #diagnosis ... #management #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Corpuscular Volume (MCV ... - Differential Diagnosis ... Myelodysplastic Syndromes ... #Differential #Diagnosis ... Algorithm #Causes #Hematology