26 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... SLE], AOSD) • Infection ... MAS #Macrophage #Activation ... #Syndrome #Diagnosis ... #Management #Hematology
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
, Pads on patient ... worsening brady, Signs ... #bradycardia #diagnosis ... #differential #management ... #cardiology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... excessive macrophage activation ... : HLH signs and ... #management #treatment ... #hematology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner syndrome ... • Meningeal signs ... lesion • CNS infection ... Matthew Ho, MD PhD
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... posterior fat pad ... ), compartment syndrome ... • ED Management ... #XRay #Diagnosis
Algorithmic Approach to Hypothyroidism - Differential Diagnosis and Management Framework

Central Hypothyroidism (Secondary or tertiary) ↓TSH, ↓FT4
and Management ... no CVD: 1.6 μg/kg ... Euthyroid sick syndrome ... Matthew Ho, MD PhD ... #algorithm #endocrinology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... WBC >100k, + lab signs ... unless worrisome EKG ... #TLS #diagnosis ... #management #hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
- Differential Diagnosis ... • CKD/ESRD & CAD ... • Parasitic infections ... • Mast cell activation ... syndrome • Mastocytosis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... disease, Vasculitis (e.g ... ., PAN) • Seizures ... #differential #diagnosis ... #rheumatology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
and Management ... causes: TB, fungal infection ... (most common), pan-hypopituitarism ... hypophysitis, Sheehan's syndrome ... #Management #Endocrinology