22 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Low Mean Corpuscular ... #Anemia #MCV #Classification ... #Causes #Hematology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Chronic diarrhea ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Evaluation of Chronic ... Causes of acute ... surgery or ileal resection ... #workup #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... Discontinuation of causal ... Positive in 60-80% of cases ... • Evolution: Chronic ... sle #comparison #table
Causes of Intrauterine Growth Restriction / Small for Gestational Age - Differential Diagnosis Algorithm
Fetal Factors:
 -
Causes of Intrauterine ... previa • Chronic ... Uteroplacental Flow ... hypertension / Pre-eclampsia ... #Causes #Obstetrics
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
- If present, are ... • Immunologic Workup ... Positive in 60-80% of cases ... 60-80% - Low ... • Evolution: Chronic
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... Antigen-antibody complexes are ... types #allergy #table ... #classification
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... levels: realllly low ... normal/high - Chronic ... about secondary causes ... #workup #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... age • 22 and 45 cases ... Out Secondary Causes ... Marrow Failure • Chronic ... Workup: • Complete
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
proportion of cases ... Incidence: No of new cases ... Prevalence: total No of cases ... > incidence in chronic ... but not on the causal