6105 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Presentation / Diagnosis ... symptoms can mimic ... Diagnosis via genetic ... Infection should be diagnosed ... Lymphohistiocytosis #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
diagnostic consideration ... Common Signs and Symptoms ... Diagnostic Criteria ... - Diagnosis requires ... or a molecular diagnosis
Hypoplastic Left Heart Syndrome (HLHS)
 • Introduction
 • Embryology
 • Anatomy
 • Physiology of HLHS
 •
Heart Syndrome (HLHS ... Physiology of HLHS ... Physical Exam/Diagnostic ... LeftHeart #Syndrome #HLHS
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
diabetes Key signs/symptoms ... of HHS/DKA: Both ... Kussmaul respirations HHS ... IM #Endo #DKA #HHS
DKA vs HHS
 - Think of DKA and HHS on a spectrum of hyperglycemic emergencies
 -
DKA vs HHS - Think ... of DKA and HHS ... emergencies - HHS ... if HHS + poor PO ... comparison #laboratory #diagnosis
Chest Pain Differential By Symptom Characteristics
- Dr. Andrew Perry https://twitter.com/Perrycardium

#ChestPain #Differential #Symptoms #Characteristics #Diagnosis
Differential By Symptom ... #Differential #Symptoms ... Characteristics #Diagnosis
Eosinophilic Esophagitis (EoE) - Spectrum of Response
Non-response:
 • Histology: Persistent eosinophilia, ≥ 15 eos/hpf
 • Symptoms:
15 eos/hpf • Symptoms ... : Persistent symptoms ... decrease in a symptom ... : Decreased symptoms ... EoE #Response #diagnosis
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Diagnostic Schema ... HLH 2. ... #Differential #Diagnosis
Ketosis Disorders - Comparison Table
 • Starvation Ketosis
 • Alcoholic Ketoacidosis (AKA)
 • Diabetic Ketoacidosis (DKA)
Hyperosmolar State (HHS ... ) • DKA/HHS Overlap ... #differential #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH ... lab findings in HLH ... IL-2 receptor Diagnostic ... Criteria): Molecular diagnosis ... Lymphohistiocytosis #diagnosis