23 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 loop ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT ... Interpretation Algorithm ... BrighamChiefs #Spirometry ... Interpretation #Algorithm ... differential #pulmonary #function
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... Testing: Flow Volume Loop ... nickmmark #FlowVolume ... #Loops #pulmonary
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... Differential Diagnosis Algorithm ... Remote use of loop ... Vomiting/nasogastric suction ... Differential #Diagnosis #Algorithm
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Excessive vomiting - Metabolic ... transport, renal function ... Gastrointestinal function ... Differential #Diagnosis #Algorithm
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Gas) (-) Likely Metabolic ... Remote Diuretics - Loop ... Recent Diuretics - Loop ... Bicarbonate #Elevated #metabolic ... #alkalosis #algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Low intake • Metabolic ... Renal Losses: • Metabolic ... • HTN Absent: Loop ... Differential #Diagnosis #Algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... Urinary Chloride Algorithm ... Remote use of loop ... Vomiting/nasogastric suction ... Chloride #urine #Algorithm
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Differential Diagnosis Algorithm ... Vomiting • NG suction ... • Diuretics (loop ... Differential #Diagnosis #Algorithm