146 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
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Exacerbation of COPD ... newly diagnosed COPD ... of AECOPD: • Clinical ... oximetry • Start supplemental ... MatthewHoMD #COPD
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
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Critical and Emergent ... Causes of Neuromuscular ... Weakness CRITICAL ... Brainstem - Spinal cord ... Differential #Neurology #Causes
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... • Ascites • COPD ... CNS lesion: ALS, MS ... Differential #Diagnosis #Causes
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
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... • Intrinsic Causes ... sclerosis • Clinical ... infarction which can be caused
Winged Scapula on Physical Exam

Caused by injury to the long thoracic nerve

#Winged #Scapula #PhysicalExam #clinical #video
Physical Exam Caused ... #PhysicalExam #clinical ... video #neurology #msk
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 ... Transverse Myelitis - Clinical ... • 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 ... heavy metals), Critical ... Neuromuscular #Weakness #Causes