14 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
Forced vital capacity ... (FVC) curves comparing ... normal, obstructive ... #FVC #Forced #Vital ... #Restrictive #Normal
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... Patterns #Comparison #Normal
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... spirometry - FEV1 ... /FVC < 70%, Scooped ... often normal or ... /FVC < 70%, Modest
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
lower • FEV1 / FVC ... lower limit of normal ... Reversibility on spirometry ... Increase of FEV1 or FVC ... greater in FEV or FVC
Algorithm for evaluation of a patient with a peripheral neuropathy. (ECG = electrocardiogram; EMG/NCS = electron
Algorithm for evaluation ... immunodeficiency syndrome; FVC ... = forced vital capacity ... Peripheral #Neuropathy #Algorithm
Lung Volumes and Capacities

The amount of air that moves in and out of the lungs during
expiration of a normal ... (FRC) represents ... expiration of a normal ... The vital capacity ... (VC) is the maximum
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
volume in 1 s; FVC ... =forced vital capacity ... lower limit of normal
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Differential Diagnosis Algorithm ... A-a Gradient Normal ... • ↓Diffusion Capacity ... Differential #Diagnosis #Algorithm
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
- Forced vital capacity ... (FVC) - Electrolytes ... glycopyrrolate to reduce oral ... - Forced vital capacity