10 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
by flow-volume loops ... comparison, a normal ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Comparison #Normal
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
Asthma Chronic ... lower limit of normal ... Reversibility on spirometry ... @PulmPEEPs #Asthma ... #diagnosis #pulmonary
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Normal B. ... Neuromuscular Weakness #Diagnosis ... #PFTs #Spirometry ... #FlowVolume #Loops
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... and Diagnosis Asthma ... spirometry - FEV1 ... spirometry - FEV1 ... COPD #comparison #Diagnosis
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... Testing: Flow Volume Loop ... and persevered FEV1 ... nickmmark #FlowVolume ... PFTs #patterns #diagnosis
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Interpretation Algorithm ... • Normal • ... Lung Disease • Asthma ... #diagnosis
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Pulmonary Function ... Interpretation Algorithm ... at Flow-Volume Loop ... available 2) FEV1 ... #diagnosis
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential Diagnosis ... Algorithm - Urinary ... Remote use of loop ... Vomiting/nasogastric suction ... #Algorithm #causes
Causes of Chronic Cough - Differential Diagnosis Algorithm

Abnormal Chest X-Ray:
 • Chronic Infection (Eg. Fungal, Tuberculosis)
- Differential Diagnosis ... Algorithm Abnormal ... Obstructive Disease (FEV1 ... FVC < LLN): • Asthma ... #Algorithm #Causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Remote use of loop ... Vomiting/nasogastric suction ... Chloride #urine #Algorithm ... #differential #diagnosis