13 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... Systemic symptoms and signs ... (e.g., fever, myalgia ... Space-occupying brain lesion ... CNS infection (e.g
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Diagnosis Algorithm ... Lesions Scheme ... Malignancy • Drugs (e.g ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... V2 • Wellens sign ... pain • Wellens sign ... #Equivalents #ECG ... #EKG #diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... Differential diagnosis ... • Bony Humeral ... GAGL): "Reverse J sign ... #diagnosis #msk
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Case description ... 1st MT, hallux valgus ... for secondary signs ... Differential diagnosis ... plate, subchondral bone
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... claudication, headaches ... GCA #Temporal #Signs
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... carbon monoxide (eg ... living conditions (eg ... vascular diseases (eg ... #redflags #signs
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... STE: "Pardee's sign ... (Eiffel Tower sign ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... Transplantation including bone ... marrow or stem ... Reversible course Differential ... • EEG: With persistent
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... dystrophy - Brain stem ... Serologic and EMG ... test - Cogan sign ... - Peek sign