9 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Pinpoint areas ... Red Flags: • Fever ... Skin biopsy • Abdominal
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 ... #Pain #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... dyspnea • (Less common ... • CT: Halo sign ... lymphadenopathy, • Abdominal ... AIDS #pulmonary #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Drug Associated (Commonly ... - GI tract: abdominal ... mucositis - Rash ... Vasculitis: • Fevers ... purpura: strong sign
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Headache • Fever ... Maculopapular rash ... • Common clinical ... Acute meningeal signs ... (fever, nuchal
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... associated with signs ... Christmas tree pattern ... #dermatology #rash ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... Nodosa: • PAN most commonly ... , mucositis • Rash ... gut involvement, abdominal
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
PFAPA is the most common ... globally, excluding areas ... DIFFERENTIAL DIAGNOSIS ... the acute flare; chest ... dominant inheritance pattern
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Inflammatory Myopathies: Commonly ... Symptoms: • Gottron rash ... ) • Shawl sign ... slow onset and pattern