29 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... • Neurological deficits ... • Meningeal signs ... Systemic symptoms and signs ... ) • Temporal arteritis
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... - Temporal arteritis ... #signs #symptoms ... #clues #differential
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
scapularis • Infects ... within morulae Signs ... bite • Fever, headache ... myalgias, shaking chills ... ), cough (30% cases
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
Haglund Syndrome ... - MSK Radiology ... Case description ... Differential diagnosis ... • Inflammatory Arthritis
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Kussmaul's Sign ... Kussmaul's sign ... Kussmaul's sign ... physicalexam #diagnosis #cardiology ... causes
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... CNS symptoms (headache ... Behcet disease) Differential ... #diagnosis #management ... #signs #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... claudication, pulse deficits ... 50 years • New headache ... impairment, neurologic deficits ... tract, and often causes
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
, rheumatoid arthritis ... life-threatening Differential ... test - Cogan sign ... - Peek sign ... Gravis #diagnosis #management
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... of Headache: ... temporal (giant cell) arteritis ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... hyperthermia crisis (late sign ... • Serotonin syndrome ... #Hyperthermia #Differential ... Checklist #Diagnosis #Management