8 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
) • Systemic symptoms ... and signs (e.g. ... , fever, myalgia ... brain lesion • CNS ... ) • Temporal arteritis
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
infection: fever ... thrombophilia, neurologic ... signs/symptoms ... Fatal #Dangerous #Deadly ... #Differential
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
Lyme Disease: Early ... arthralgia, headache, fever ... years after • Arthritis ... Disease #diagnosis #signs ... #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... < 30 years • Aorta ... ): • Aorta and ... • Progressive symptoms ... chorioretinitis, CNS
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... those coming off aorta ... systemic sx + signs ... very remarkable w/differential ... GCA #Temporal #Signs
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... • Headache • Fever ... Acute meningeal signs ... #diagnosis #neurology
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
headache is a symptom ... tears, same time daily ... hydrocephalus) • Neurologic ... N Neurological signs ... confusion, focal signs
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... papules and Gottron sign ... ) • Shawl sign ... Overlap Syndrome: Fever ... • Nonerosive arthritis