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Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- Syncope Syndromes ... imitator" • ↓ K - ST ... via long ST • ... #Syndromes #ECG ... diagnosis #cardiology #electrocardiogram
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
morphology of the ST ... so called coved ST ... , can be caused ... characteristically cause ... the J wave of hypothermia
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
TNF-a1pha, IL-6, etc ... Neuroleptic malignant syndrome ... ; Serotonin syndrome ... • Treatment: ... #comparison #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
progression ST ... between QRS and ST ... ) = hypothermia ... WolffParkinson-White syndrome ... #Electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... voltage Other Causes ... be seen in: • Hypothermia ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
iniury, Compartment syndrome ... Herpes, Coxsackie etc ... per day until stable ... Management #Summary #causes ... #treatment
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... ) in cases of syncope ... evaluate potential causes ... : ST segment • ... QT syndrome, both
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Exertional: - Hyperthermia ... - Malignant hyperthermia ... Herpes, Coxsackie, etc ... per day until stable
Hyperthermic Toxidromes
Five toxidromes may present with overlapping features: hyperthermia, rhabdomyolysis, altered mental status/seizures.
 • Sympathomimetic -
• Serotonin Syndrome ... dopamine blockers (e.g ... pharmacogenetic disease caused ... #Toxidromes #comparison ... #table #diagnosis
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
paralysis, post-hypothermia ... heparinized tube) • ECG ... Peak T, flat P, ST ... only if no clear cause ... Elimination (see Table