34 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... C3 positive or negative ... mediated - DAT: IgG negative ... Pathophysiology #diagnosis ... #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... - Differential Diagnosis ... AIHA (7-8%) DAT-negative ... #Differential #Diagnosis ... #Table #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
DAT Results in Autoimmune ... Hemolysis DAT Negative ... antiglobulin #test #DAT #Autoimmune ... #Hemolysis #hematology ... #diagnosis
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Hemolytic Anemia Warm Autoimmune ... Splenectomy Cold Autoimmune ... Hemolytic #Anemia #hematology ... #diagnosis #comparison
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Pneumonia #Patterns #Diagnosis ... #Comparison #Table ... #Presentation #Pulmonary
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Viral hepatitis, Autoimmune ... - Malignancy, Autoimmune ... Summary #table #comparison ... #diagnosis #hematology
Lung Ultrasound: Cardiogenic Pulmonary Edema vs ARDS
Cardiogenic Pulmonary Edema:
 • Smooth pleural line
 • AIS >
Lung Ultrasound: ... Cardiogenic Pulmonary ... #edema #comparison ... #clinical #diagnosis ... #ultrasound
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Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
- Differential Diagnosis ... Algorithm Relative ... Abnormal Abdominal Ultrasound ... Cyanosis without Pulmonary ... #Differential #Diagnosis
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
LungDisease #CTILD #Diagnosis ... #Differential #Comparison ... #Table #Pulmonary ... #Rheumatology #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
With associated pulmonary ... Pauci-immune mediated (Negative ... #differential #diagnosis ... #algorithm #rheumatology