20 results
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function ... Testing (PFT) Interpretation ... MatthewHoMD #Pulmonary ... #Function #Testing ... Interpretation #Algorithm #diagnosis
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Algorithm Pulmonary ... Hypoxemia: • COPD ... Sleep-Disordered Breathing ... Miscellaneous: • Hematologic
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumothorax, COPD ... asthma • Pleural disease ... 12 / shallow breathing ... Hypoventilation: • CNS ... #differential #Diagnosis
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... 1.5 Pursed Lip Breathing ... #PhysicalExam # ... LikelihoodRatios #LRs #diagnosis ... #pulmonary
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
restrictive lung disease ... bronchitis, and COPD ... #Pulmonary #Abnormalities ... #Abnormal #Diagnosis ... #PhysicalExam
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome (CAS ... Positive Coombs testing ... post infectious setting ... hemolytic #anemia #hematology ... #diagnosis
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
- Differential Diagnosis ... 20/min, shallow breathing ... > 20/min, deep breathing ... • Asthma • COPD ... effusion/Tamponade Hematologic
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... and treating LTBI ... Tuberculin skin testing ... microscopy • Testing ... #Tuberculosis #Testing
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... Agglutination - Cold ... #Differential #Diagnosis ... Algorithm #workup #hematology ... #testing
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... obstruction • COPD ... , in advanced disease ... parenchyma Diagnosis ... the airway • Treating