36 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... Hypoventilation: CNS of Respiratory ... Embolism, Obstructive Lung ... , Interstitial Lung
Pediatric Pneumonia on POCUS

Nothing as satisfying as when the normal lung gives way to pneumonia. 

-
Pediatric Pneumonia ... on POCUS Nothing ... when the normal lung ... #Pneumonia #POCUS ... Peds #Clinical #Lung
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
different phases of respiratory ... Assessing for CO2 ... PHASE I - Inspiratory ... Transition as CO2 ... the heart to the lung
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Criteria for Acute Respiratory ... Syndrome (ARDS) - Respiratory ... lobar collapse, lung ... - 200 mm Hg < PaO2 ... #ARDS #Acute #Respiratory
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Respiratory or Metabolic ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... or restrictive lung
Weaning from the Ventilator - Algorithm
Setting up for extubation success
 • Decrease demand — correct metabolic
acidosis, decrease CO2 ... steroids & NMB • Respiratory ... stop or reduce long ... Diuresis — Dry lungs ... are happy lungs
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... HYPOVENTILATION • Rising PaCO2 ... : Interstitial lung ... ventilation (V) in the lungs ... bypassing the lungs
Rapid Assessment of the Neonate With Sonography (RANS) Scan

Recommended algorithm for RANS scan. 
* Abnormal vital
arrhythmias, worsening respiratory ... #RANS #RAPID #POCUS ... Neonate #Peds #Pediatrics
Preterm Infant Complications - Differential Diagnosis
Respiratory:
 • Transient Tachypnea of the Newborn (TTN)
 • Respiratory Distress
Differential Diagnosis Respiratory ... Newborn (TTN) • Respiratory ... RDS) • Chronic Lung ... #Causes #Peds #Pediatrics
Voluntary action
Emotion, temperature
Coughing, sneezing, etc.
Physical work
Respiratory center
in brainstem
Coinnervation
Medulla
Rhythm generator
IXth/Xth
nerve
Respiratory drive:
Peripheral
Central
Mechanosensors in locomotor system
Xth
nerve
Respiration
Central chemosensors
个
In CSF:
PC02, pH
Carotid
Physical work Respiratory ... IXth/Xth nerve Respiratory ... Mechanosensors in lung ... and respiratory ... muscles In blood: #PCO2