13 results
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT ... Interpretation ... #PFTs #Interpretation ... Algorithm #diagnosis #differential ... pulmonary #function #testing
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
#Diagnosis #PFTs ... #Spirometry #FlowVolume
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
#Diagnosis #PFTs ... #Spirometry #FlowVolume
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function Testing ... (PFT) Interpretation ... Pulmonary #Function #Testing ... #PFT #PFTs #Interpretation
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function Testing ... nickmmark #FlowVolume ... Loops #pulmonary #PFTs
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Function Tests (TFTs ... ) and Interpretation ... Function #Tests #TFTs ... #Interpretation ... laboratory #patterns #differential
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Chemistries - Interpretation ... of LFTs R-value ... chemistry #diagnosis #differential ... transaminitis #LFTs ... #RValue #interpretation
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... post infectious setting ... influenza (younger pts ... disease (younger pts ... ) Differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
malignancy (HM) pts ... BAL GM does not differentiate ... non-neutropenic pts ... recipients, CGD pts ... Frozen ice-pops (in setting
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... breakthrough IFI in HM pts ... useful in high risk pts ... in BAL does not differentiate ... Galactomannan #Fungal #Testing