9 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Diagnosis Algorithm ... PHANTOMS): • Pattern ... history of cancer, HIV ... (e.g., fever, myalgia
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... - Meningitis, encephalitis ... • Fever - Febrile ... , encephalitis ... #clues #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV ... , eastern equine ... • Fever • Nuchal ... Acute meningeal signs ... (fever, nuchal
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... • Symptoms: Fever ... • Symptoms: Fever ... periventricular areas ... CNS #Infections #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... • CT: Halo sign ... cough, myalgias, headache ... , headache, non-productive ... AIDS #pulmonary #differential
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
) Meningitis, encephalitis ... patterns - History ... lesions in other areas ... #redflags #signs ... #symptoms #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... 50 years • New headache ... Progressive symptoms of headache ... white and gray matter
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean Fever ... Mediterranean areas ... in the knee-to-chest ... Positive Carnett's sign ... Abdominal #Pain #differential
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
globally, excluding areas ... accompanied by headache ... DIFFERENTIAL DIAGNOSIS ... rashes, joint pain, headaches ... dominant inheritance pattern