23 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 ... #Loops #Patterns
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... - Common Patterns ... Neuromuscular Weakness #Diagnosis ... #PFTs #Spirometry ... #FlowVolume #Loops
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Volume Loop Patterns ... nickmmark #FlowVolume ... #Loops #pulmonary ... #PFTs #patterns ... #diagnosis
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
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... diseases with a low ... attenuation pattern ... #Diagnosis #Radiology ... Differential #Diagram #Comparison
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
First-line therapies for Asthma, Asthma-COPD Overlap and COPD

The diagnosis of COPD, asthma, and ACO initially requires
and COPD The diagnosis ... of the type and pattern ... symptoms, and spirometry ... #Diagnosis #Management ... #Differences #Algorithm
Low Back Pain (Lumbago) - Common Differential Diagnosis and Patterns

Mechanical Low Back Pain:
Aching pain in the
Common Differential Diagnosis ... and Patterns ... #Differential #Diagnosis ... #Patterns #Features ... #Comparison
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Associated Features: Diagnosis ... Onset: Insidious/slow ... over years, often diagnosed ... #differential #diagnosis ... #comparison #rheumatology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
- Differential Diagnosis ... Algorithm GI Losses ... • Diuretics (loop ... #Differential #Diagnosis ... #Algorithm #Causes