12 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner syndrome ... (e.g., fever, myalgia ... CNS infection (e.g ... arteritis • Acute
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... - Differential Diagnosis ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... #nephrology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... point • De Winter syndrome ... deviation) • Acute ... #Equivalents #ECG ... #EKG #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Framework STEMI ... STE: "Pardee's sign ... #cardiology #ecg ... #ekg #electrocardiogram
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
fever - ACS, AKI ... , acute limb ischemia ... WBC >100k, + lab signs ... unless worrisome EKG ... #TLS #diagnosis
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
carbon monoxide (eg ... living conditions (eg ... vascular diseases (eg ... vasoconstriction syndrome ... #redflags #signs
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... bone marrow or stem ... , ADEM, Acute toxic ... • EEG: With persistent ... #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... Radiographic findings (eg ... Laboratory findings (eg ... VEP’s: EEG of visual ... symptoms) • Acute
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
dystrophy - Brain stem ... Serologic and EMG ... test - Cogan sign ... - Peek sign ... aspiration and acute
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Impairment: • Acute ... Lack of UMN/LMN signs ... electromyographic (EMG ... #neurology