37 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential Diagnosis ... and Workup Algorithm ... : Lung abscess, ... #Disease #Diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... inclusions - If infection ... #Algorithm #workup ... #hematology #testing
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung abscess ... Abscess Diagnosis ... , anemia • Sputum
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... anemia • Cold ... Positive Coombs testing ... Blood smear - RBC ... #hemolytic #anemia
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
approximately how long ... transform into a RBC ... Chronic kidney disease ... , Intrinsic RBC ... #differential #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... procedures - Infection ... smear, HIV/HCV testing ... changes), high MCV anemia
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
haemophilum • Tropical setting ... Bone Marrow - Anemia ... Diagnosis Of NTM ... Lung Disease: ... #differential #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... • Autoimmune diseases ... counts may delay diagnosis ... especially in the setting ... #differential #diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... • Abscess, bacteremia ... schistosomiasis • Pyemia ... Brucellosis • Liver or lung ... #Differential #Diagnosis
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
Proximal limb muscle wasting ... but elevated as disease ... Diagnosis: • ... fungal, viral infections ... #workup #hepatology