15 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... For comparison, ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #Comparison
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Loops - Common Patterns ... Normal B. ... Stem Bronchial Obstruction ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
curves comparing normal ... , obstructive, and ... commonly available spirometers ... #Restrictive #Normal ... #Comparison
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... and Diagnosis Asthma ... spirometry - FEV1 ... often normal or ... #COPD #comparison
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
Asthma Chronic ... used to identify obstruction ... lower limit of normal ... Reversibility on spirometry ... @PulmPEEPs #Asthma
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
of Breathing Normal ... may show this pattern ... Obstructive Breathing ... asthma, chronic ... #Breathing #Patterns
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Unequal/DeIayed: • Obstructive ... Takayasu disease • Normal ... Exacerbation of Asthma ... Diagnosis #Algorithm #causes
Dilated Abdominal Veins and Caput Medusae - Direction of Blood Flow

Vein Milking technique can be used
determine the cause ... • Normal veins ... • Portal Hypertension ... : The normal physiology ... #comparison #abdominal
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Pathophysiology Comparison ... Obstructive ... Shock: • Obstructive ... in blood flow caused ... Depends on the cause
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
ABG And BMP Normal ... of Normal Anion ... Myasthenia gravis) - Obstructive ... disease (COPD, OSA, Asthma ... hypoventilation) - Airway obstruction