9 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Diagnosis Algorithm ... PHANTOMS): • Pattern ... brain lesion • CNS ... arteritis • Acute
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Common clinical ... meningismus are common ... Symptoms: • Acute ... meningeal signs
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
syndrome:  Most common ... cause of acute ... Differential diagnosis ... Multiple Sclerosis: CNS ... West Nile virus: Headache
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... patterns - History ... lesions in other areas ... #redflags #signs ... #symptoms #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... cough, myalgias, headache ... Lymphadenopathy, CNS ... factor • May cause
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean areas ... by serositis • Acute ... in the knee-to-chest ... Positive Carnett's sign ... Abdominal #Pain #differential
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... associated with signs ... Christmas tree pattern ... dermatology #rash #differential ... diagnosis #skin #common
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... Nodosa: • PAN most commonly ... tract, and often causes ... chorioretinitis, CNS
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 ... flare; chest pain ... dominant inheritance pattern