10 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... Diagnosis Algorithm ... PHANTOMS): • Pattern ... (e.g., fever, myalgia ... #Differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... Abdominal pain, chronic ... Infections #HIV #AIDS #pulmonary ... #differential #
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
) - Previous chronic ... patterns - History ... lesions in other areas ... #redflags #signs ... #symptoms #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
run-down or tired • Fevers ... Loss of weight • Chest ... Nasal polyps and signs ... high-resolution chest ... #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 ... white and gray matter ... Eosinophilia, asthma, chronic
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... Vasculitis: • Fevers ... purpura: strong sign ... - (C-ANCA) pattern ... - (P-ANCA) pattern
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... scan: the mosaic pattern ... Signs of fibrosis ... included in the differential ... Clinical #Radiology #CTChest
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
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
like idiopathic pulmonary ... or fibrosis in chronic ... or NSIP pattern ... disease in the differential ... Clinical #Radiology #CTChest
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 ... syndrome - chronic ... dominant inheritance pattern