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Causes of Syncope and Transient Loss of Consciousness

#Syncope #Differential #LOC #Causes #Diagnosis
#Differential #LOC
Loss of Consciousness in Syncope - Differential Diagnosis Framework

Syncopal causes:
• Orthostatic syncope
• Reflex syncope
• Cardiac arrhythmia
•
Consciousness #Syncope #LOC
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
50% - Altered LOC
National Institutes of Health Stroke Scale (NIHSS)
Total Score 0-42
1a. Level of consciousness
1b. LOC questions
1c. LOC commands
2.
LOC questions 1c ... LOC commands 2.
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
compensate for low ... impaired Jane Lock
Contrast dyes are divided into three groups based on their osmolarity.  High-osmolar contrast medium (HOCM),
performed with either low-osmolar ... contrast medium (LOCM
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
System - Decreased LOC
Central Line Supplies Checklist - Materials Typically Not Included in Central Line Kit
 • Sterile Gown
Chloraprep • Leur Lock
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
neck, altered LOC ... stiffness, altered LOC
Primary Biliary Cirrhosis - Pathophysiology
Environmental Risk Factors: Geographic location, Smoking, Microbial triggers, Xenobiotics, Nail polish
Epigentics Risk
immunoregulatory gene loci