9 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Diagnosis Algorithm ... ) • Systemic symptoms ... , fever, myalgia ... brain lesion • CNS
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... < 30 years • Aorta ... tract, and often causes ... chorioretinitis, CNS
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... of Headache: ... infection: fever ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... < 30 years - Aorta ... Presentation - Systemic Symptoms ... : • Fevers • ... purpura: strong sign
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
Meningitis • Include: vasculitis ... • Papilledema, headache ... • Caused by immune ... or abruptly • CN ... Tuberculosis #diagnosis #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Coltivirus Symptoms ... • Fever • Nuchal ... Acute meningeal signs ... (fever, nuchal
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... Lymphadenopathy, CNS ... Constitutional symptoms ... factor • May cause
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... • Fever - Febrile ... movement deficits (CN ... #signs #symptoms ... #clues #differential
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic inflammatory vasculitis ... those coming off aorta ... systemic sx + signs ... very remarkable w/differential ... claudication, headaches