24 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Manifestations: • Infection ... (most common: lung ... Diagnosis #causes ... #primarycare #table
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
Proptosis - Differential ... Unilateral: • Infections ... , prostate, lung ... Fevers • Eye pain ... Unilateral #Bilateral #Causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... pain, hemoptysis ... Abscess Differential ... Abscess #pulmonary #differential
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... life-threatening causes ... of chest pain, ... Pericarditis #Symptoms #Signs ... Presentation #comparison #Table
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Disorders: • Infection ... tuberculosis, fungal infections ... Adrenals: • Lung ... • Abdominal pain ... • Back pain
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... friction rub audible Lungs ... inflammation tends to cause ... interstitial lung ... pathophysiology #signs
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... since in many cases ... we describe a chest ... #CXR #Lucency #Differential ... #Table #CavitaryLesion
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... #Infections #HIV ... AIDS #pulmonary #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... pain/tightness ... Most Common Causes ... Nasal polyps and signs ... Bronchiectasis #pulmonary #differential
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... Mediterranean areas ... in the knee-to-chest ... Positive Carnett's sign ... #differential #