16 results
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Hemophagocytic Lymphohistiocytosis ... (HLH) Clinical ... : ↑↑ ferritin, Anemia ... EricsMedicalLectures/ #HLH #Hemophagocytic ... #hematology #criteria
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
A subset of hemophagocytic ... Petechial or purpuric rash ... with leukopenia, anemia ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Hemophagocytic Lymphohistiocytosis ... : Overwhelming clinical ... Ferritin >500 ng/mL ... TheIDtrivia #HLH #Hemophagocytic ... management #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Hemophagocytic Lymphohistiocytosis ... (HLH) Pathophysiology ... accumulation of clinical ... Assessment • Clinical ... Taar #HLH #Hemophagocytic
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Differential Diagnosis ... likelihood of negative clinical ... neutrophil #WBC #CBC #hematology ... #pathophysiology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Canimorsus Skin Rash ... Bandemia, AKI. ... possible Patient's clinical ... the key to the diagnosis ... #dermatology #clinical
General Approach to Anemia - Differential Diagnosis Framework
1) Check reticulocyte count to determine if hypo/hyper-proliferative
2) Exclude
General Approach to Anemia ... - Differential Diagnosis ... haptoglobin) 3) Use MCV ... & clinical context ... #hematology #algorithm
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... dorsal part of the MCP ... auricular papules Clinical ... #dermatology #diagnosis
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
. diagnosis? ... self-limited Diagnosis ... is clinical & labs ... larva #migrans #skinRash ... #dermatology #clinical
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... Differential Diagnosis ... lymphopenia, low PLT • Anemia ... La, anti-Jo-1, SCL ... Erythematosus #Diagnosis