13 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Infections 2. ... fatigue, Nausea, abdominal ... , Chronic spontaneous ... urticaria, Chronic ... rheumatology #comparison #table
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
→ Spectrum of Disease ... Likelihood Ratio Step 1: ... Step 2: Pre-test ... #ultrasound #management ... #diagnosis
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... - Renal ultrasound ... ; MRA; abdominal ... syndrome - Overnight 1- ... Screening #Workup #table
Chagas Disease - American Trypanosomiasis - Diagnosis and Management Summary
Chagas disease (American trypanosomiasis) is an infectious
Trypanosomiasis - Diagnosis ... , rectum 80%) (abdominal ... Confirmatory Tests ... and immunoblot (TESA ... Trypanosomiasis #Diagnosis
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
hydrogen breath test ... colonoscopy), Abdominal ... imaging (CT, ultrasound ... fecal elastase-1 ... testing for celiac disease
Live Ectopic Pregnancy on Transvaginal POCUS

Young female patient, severe abdominal pain. +preg test. Pelvic exam followed
patient, severe abdominal ... +preg test. ... (see below for diagnosis ... Pearls: #1 Confirm ... an IUP or not. #2
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
/ (TP + FN) = 1 ... > incidence in chronic ... (68%) – 2 (95%) ... how related two values ... #calculations #diagnosis
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
dengue severity classification ... positive tourniquet test ... and no apparent focus ... Intense abdominal ... #diagnosis
Preoperative Risk Evaluation

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

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... - GI tract: abdominal ... retinopathy Lab Tests ... vasculitis) - 2 ... #rheumatology #classification