16 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 ... brain lesion • CNS
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
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
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... inversion in avL - early ... #EKG #diagnosis ... Interpretation #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Juvenile idiopathic arthritis ... • Rheumatoid arthritis ... falls (like a wave ... Brucellosis Faget's Sign
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... symptoms (headache ... Behcet disease) Differential ... diagnosis #management #signs ... #symptoms #rheumatology
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
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... coital headache • Fever ... #headache #signs ... #symptoms #clues ... #differential #
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