7 results
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... from a group to assess ... how related two values ... Biostatistics #formulas ... #calculations #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Lyme disease Muscle ... injury • DVT (Risks ... pain/swelling - Fever ... lower #extremity #msk
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
dengue severity classification ... days and presents fever ... positive tourniquet test ... Intense abdominal ... #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Food products Risk ... status NTM Cause ... Growers (Runyon Classification ... Growers (Runyon Classification ... enzymes, diarrhea, abdominal
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
to bolus these values ... / hypoxemia -> focus ... tests before beginning ... asthma - accessory muscle ... #typeb #classification
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
or family - Ever ... Assess functional ... determine if stress test ... undergoing AAA or upper abdominal ... stratification #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Joints: myalgia and muscle ... Vasculitis: • Fevers ... retinopathy Lab Tests ... #rheumatology #classification