12 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... immunocompromised (e.g., AIDS ... because false-negative ... sample = 95% • A negative ... #InfectiousDiseases
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
oil gland of the lids ... • Symptoms: Tenderness ... eyedrops, surgery #Clinical ... Stye #Chalazion #Comparison ... #Table
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Risk factors: Critical ... blood donor • Pathophysiology ... to explain symptoms ... hematology #diagnosis #comparison ... #table
Glucocorticoid-Induced Osteoporosis: Pathogenesis and Clinical Findings

 • Negative feedback on hypothalamus/pituitary, Decreasing ACTH -> Decr Sex
Pathogenesis and Clinical ... Findings • Negative ... synthesis and action ... #Osteoporosis #pathophysiology ... #signs #symptoms
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs/symptoms ... high index of clinical ... Frequent false-negative ... #Endocarditis #comparison ... Marantic #diagnosis #table
Sedative-Hypnotic Drugs
Benzodiazepines:
 - Bind to specific GABAA receptor subunits at central nervous system (CNS) neuronal synapses
Sedative-Hypnotic ... GABAA receptors, acting ... or withdrawal symptoms ... #pharmacology #comparison ... #table
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
granulosa cells (activin ... of estrogen to negatively ... the endometrium adds ... #OvarianCycle #pathophysiology ... #comparison #endocrinology
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
pathogenesis and clinical ... Hypomagnesia -> The relative ... onset) - Incr C-reactive ... Disease #Signs #Symptoms ... #Pathophysiology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... Constitutional symptoms ... pANCA anti-MPO - Negative ... druginduced #lupus #sle #comparison ... #table #rheumatology
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
the duodenum Clinical ... Signs/Symptoms: ... Pathophysiology: ... the OR • HD stable ... first-line study - If negative