35 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
dysfunction revealed by flow-volume ... For comparison, ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Comparison #Normal
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Neuromuscular Weakness #Diagnosis ... #PFTs #Spirometry ... #FlowVolume #Loops
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... Loop Patterns ... nickmmark #FlowVolume ... #Loops #pulmonary ... PFTs #patterns #diagnosis
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT ... Interpretation Algorithm ... Interpretation #Algorithm ... #diagnosis #differential ... #pulmonary #function
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Presentation and Diagnosis ... curve, Low peak ... bronchodilator, Spirometry ... #Asthma #COPD #comparison ... #Diagnosis #pulmonary
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
- Differential Diagnosis ... Algorithm GI Losses ... Vomiting • NG suction ... • Diuretics (loop ... #Algorithm #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... • HTN Absent: Loop ... #Differential #Diagnosis ... #Algorithm #causes
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential Diagnosis ... Algorithm • Low ... High Magnesium - Functional ... #Differential #Diagnosis ... #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Algorithm Transcellular ... GI losses (NG suction ... vomiting) • Low ... #low #potassium
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... Algorithm Normal ... - Normal Liver Function ... Abnormal Liver Function ... #Algorithm #Causes