17 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Pathophysiology ... Lung Abscess - Clinical ... Differential Diagnosis ... #pulmonary #differential
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Passive neck flexion causes ... While the pathophysiology ... commonly used to assess ... meningitis, it has low sensitivity ... Sign #Meningitis #Clinical
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
changes and may cause ... severe clinical ... deficiency (thiamine) Late ... Syndrome #Nutrition #Differential ... #Diagnosis #Pathophysiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... should be based on clinical ... tuberculomas, or abscesses ... Demyelinating disease caused ... CNS #Infections #differential
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... = nonspecific (nausea ... Antithrombin Ill • Ultrasound ... infiltration) Differential ... Maternal Support - Critical
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... of lactate as a clinical ... assessment - assess ... ischemia (90% sensitivity ... Acidosis #Elevation #Differential
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... Proves cause-effect ... diseases, describe clinical ... Sensitivity (rule ... alters recall Late-look
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
pathogenesis and clinical ... vast majority of cases ... high-resolution ultrasound ... sedimentation rate ... Signs #Symptoms #Pathophysiology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Etiology: • Pathophysiology ... sequences improve sensitivity ... Reversible course Differential ... the underlying cause ... with AEDs until cause
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
the duodenum Clinical ... • Should be on differential ... that precedes a later ... Pathophysiology: ... undergo EGD - Sensitivity