21 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Autoimmune Hemolytic Anemia ... Findings: Coombs positive ... Mycoplasma, HIV, EBV ... Findings: Coombs Positive ... #hematology #diagnosis
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
Positive FAST in ... (*) #Clinical #Diagnosis ... #EM #Trauma #Radiology ... HepatorenalRecess #Positive
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... workup, including BM ... hemolysis, deficiency anemia ... infarction, Severe trauma ... #Differential #Diagnosis
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Toxic injury to BM ... Parvovirus B19 - EBV ... Epstein-Barr virus (EBV ... #oncology #hematology ... #diagnosis #management
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... in bone marrow (BM ... under 2%, then BM ... #Algorithm #Diagnosis ... #Workup #Hematology
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
- Differential Diagnosis ... HAV, HCV, HEV, EBV ... Congenital: HELLP • Trauma ... #Differential #Diagnosis ... #causes #hepatology
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
(COVID19, CMV/EBV ... - Seizures: Trauma ... Illness Myopathy (ICU ... Electrolytes: hypo- phos, kalemia ... #differential #diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential Diagnosis ... exclude false positives ... below) • Trauma ... ) • Anti-GBM ... #Differential #Diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... anemia • Cold ... dehydrogenase • Positive ... - Mycoplasma, EBV ... #hematology #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... Infections+++: Virus (EBV ... biologics (CMV +++, EBV ... of emergency, ICU ... treatment #summary #rheumatology