16 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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Causes of Extravascular ... - Differential ... AIHA • PCH ... anemia • ... Prosthetic heart valves
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... - Drugs (Beta lactam ... #differential # ... #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... HELLP - Grafts, Valves ... Membrane): - Autoimmune ... : Warm AIHA, Cold ... Defects: Sickle cell anemia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... Diagnosis: • hemolytic ... anemiaCold ... Hyperbilirubinemia • Elevated lactate ... younger pts) Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Agglutination - Cold ... elliptocytosis, autoimmune ... #Anemia #Differential ... #workup #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... If the value is ... elevation Serum lactate ... WBC count and differential ... #Workup #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... disorders (e.g. autoimmune ... Myelofibrosis (MF ... #Diagnosis #Causes
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... to bolus these values ... Causes of Lactate ... 30mmHg) - Severe anemia ... #Diagnosis #causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
And BMP Normal Values ... Diagnosis: Causes ... Renal failure (uremia ... lung disease (COPD ... Interpretation #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Leukocytosis, anemia ... of PCN allergy ... Coli - P. ... #causes #management