29 results
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Relative Afferent ... Gunn's pupils or relative ... regarding the cause ... semiologianeurologica #RAPD #Relative ... Pupils #MacrusGunn #PhysicalExam
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
capillary permeability ... Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
depletion • Pulmonary ... Myocarditis - Papillary ... stenosis • Meds: negative ... differential #diagnosis #causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... With associated pulmonary ... Pauci-immune mediated (Negative ... diagnosis #algorithm #rheumatology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... with caution in pulmonary ... Treat underlying cause ... Treat underlying cause ... #Tachycardia #Treatment
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Diagnosis Algorithm Relative ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... #Hematology
Clarkson’s Disease - Capillary leak syndrome
Epidemiology: Roughly 150 published cases, Median age 50 years, No sex
Clarkson’s Disease - Capillary ... 150 published cases ... filling +++ (risk of pulmonary ... Clarksons #Disease #Capillary ... #rheumatology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... : 33% • Treatment ... , and CXR with pulmonary ... : No • Treatment ... diagnosis #comparison #table
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Positive in 60-80% of cases ... pANCA anti-MPO - Negative ... life-threatening • Treatment ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Discontinuation of causal ... pANCA anti-MPO - Negative ... life-threatening • Treatment ... sle #comparison #table ... #rheumatology #