20 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... (e.g. ankylosing ... spondyloarthritis (e.g ... #Pain #Differential ... #primarycare #table
Red Flags in Back Pain
 • Cancer: Age > 50, History of cancer, Unexplained weight loss,
Red Flags in Back ... conservative therapy (e.g ... • Cauda equina syndrome ... #Pain #differential ... #diagnosis #primarycare
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- Syncope Syndromes ... mchlwng #Syncope #Syndromes ... #ECG #EKG #Checklist ... #diagnosis #cardiology ... electrocardiogram #differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... CNS pathology (e.g ... SSRIs) Severe pain ... #Diagnosis #Table
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Acute Coronary Syndrome ... rapidly over a short ... is reflected by ECG ... #Diagnosis #Cardiology ... Text: The Only EKG
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
draw • Severe pain ... Medication side effect (e.g ... Subclavian steal syndrome ... Medication side effect (e.g ... #Table #Causes
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... -4 can have no pain ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... point • De Winter syndrome ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
• Weakness: Starts ... Hands or feet • Pain ... Back or extremities ... Guillain-Barre Diagnosis ... Electrodiagnostic studies - EMG
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Pulmonary Edema - Differential ... Diagnosis Framework ... level <100 pg/ml EKG ... respiratory distress syndrome ... #diagnosis #cardiology