30 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
gas equation • Causes ... Improves with supplemental ... oxygen • Causes ... Pneumonia, asthma, COPD ... not improve with supplemental
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
low-percentage supplemental ... higher percentage supplemental ... retention of exhaled gases ... Venturi Mask (venti-mask ... • Uses either
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
not respond to supplemental ... pulse oximeter causes ... CHF, pneumonia, COPD
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... • Ascites • COPD ... CNS lesion: ALS, MS ... Differential #Diagnosis #Causes
Non-Invasive Positive Pressure Ventilation
Indications: 
 • COPD exacerbation (↓ intubation, ↓ mortality), Cardiogenic pulmonary edema (↓
Indications: • COPD ... mortality), Other causes ... airway / remove mask
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... 10-33% develop MS ... • 75-90% of cases ... Predictive of MS ... • Infectious causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal Cord ... Demyelinating Disease (MS ... Neuromuscular #Weakness #Causes
An Algorithm for the Management of Seizures

The management of active seizures is algorithmic, starting with a
and bag-valve mask ... sign monitoring, supplemental ... The focus is on
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Claudication) - Cold ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... lung sliding COPD ... submassive PE) POCUS ... #signs #Lung #POCUS