9 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
Forced vital capacity ... normal, obstructive ... #Capacity #Obstructive ... #Restrictive #Normal ... #Comparison
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
For comparison, ... a normal loop is ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Normal #pulmonary
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... Stem Bronchial Obstruction ... Fixed Upper Airway Obstruction ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... often normal or ... near normal between ... : Persistently abnormal ... #Asthma #COPD #comparison
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
expiratory air flow obstruction ... used to identify obstruction ... : • FEV1 / FVC ... lower limit of normal ... Reversibility on spirometry
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
COPD=chronic obstructive ... volume in 1 s; FVC ... =forced vital capacity ... lower limit of normal
Dilated Abdominal Veins and Caput Medusae - Direction of Blood Flow

Vein Milking technique can be used
• Normal veins ... : The normal physiology ... • IVC Obstruction ... • SVC Obstruction ... #comparison #abdominal
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... initial response to abnormal ... *Abnormal USS may ... extrahepatic biliary obstruction ... #LFTs #Abnormal
Causes of Chronic Cough - Differential Diagnosis Algorithm

Abnormal Chest X-Ray:
 • Chronic Infection (Eg. Fungal, Tuberculosis)
Differential Diagnosis Algorithm ... Abnormal Chest ... Bronchiectasis Obstructive ... Disease (FEV1/FVC ... Differential #Diagnosis #Algorithm