27 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Stork test) • XR ... vertebrae • CT ... Spondylolisthesis #MSK #diagnosis ... #pathophysiology ... #signs #symptoms
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
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extrapulmonary cases ... Clinical Signs ... decreased reflexes Pathophysiology ... tissue damage - CXR ... involvement - CT
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... - Pulmonary symptoms ... pain) and signs
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... may aid in the diagnosis ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... , dyspnea, +/- CXR ... WBC >100k, + lab signs ... Syndrome #TLS #diagnosis
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
pleural effusion on CXR ... inflammation tends to cause ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms ... #diagnosis #ExtraArticular
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... • Signs/Symptoms ... • Signs/Symptoms ... - The classic signs ... #differential #diagnosis
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
- May involve symptoms ... Median arcuate ligament ... in the knee-to-chest ... Positive Carnett's sign ... #differential #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Blood cultures • CXR ... early disease) • CXR ... CT Lung Abscess