2237 results
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
truncated or flattened inspiratory ... flattening of the expiratory ... and expiratory ... “scooped out” expiratory ... “scooped out” expiratory
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
High-pitched, variable respiratory ... • Recurrent respiratory ... Supraglottis - Inspiratory ... and bronchi - Expiratory
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
Phosphate impacts respiratory ... function is respiratory ... contribute to respiratory ... & expiratory pressures ... or low maximal expiratory
Lung Volumes and Capacities

The amount of air that moves in and out of the lungs during
inspired with maximal inspiratory ... volume is the inspiratory ... The expiratory reserve ... The inspiratory ... inspired from the end-expiratory
The 2019 Global Initiative for Asthma (GINA) treatment strategy figure for adults and adolescents, annotated to
; FEV1: forced expiratory ... StepUp #Treatment #Algorithm
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
An Algorithm for ... expiration Inspiratory ... Endotracheal intubation Expiratory ... differential #diagnosis #algorithm
The biotrauma hypothesis of ventilator-induced lung injury. IL = interleukin; PEEP = positive end-expiratory pressure; Pplat
= positive end-expiratory
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
Ventilation (NIPPV) Expiratory ... & Inspiratory Positive ... and decreases respiratory ... • Other acute respiratory ... exacerbation) • Chronic respiratory
Passy Muir Valve (PMV) "Speaking Valve" Anatomy

When placed on the hub of the tracheostomy tube or
valve permits inspiratory ... but not expiratory
Auto-PEEP 
What is Auto-PEEP?
 • Progressive air trapping & dynamic hyperinflation → ↑Palv at end expiration
Commonly due to expiratory ... breath • An expiratory ... ) • Increase expiratory