36 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... associations - 1. ... , abdominal pain ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... - Renal ultrasound ... Duplex Doppler ultrasound ... ; MRA; abdominal ... syndrome - Overnight 1-
Causes of Portal Hypertension According to Site of Vascular Obstruction
1) Prehepatic pre-sinusoidal: Portal vein thrombosis due
Causes of Portal ... Vascular Obstruction 1) ... to cirrhosis, Abdominal ... #differential #diagnosis ... #causes #hepatology
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
→ Spectrum of Disease ... Likelihood Ratio Step 1: ... 3: Spectrum of Disease ... #ultrasound #management ... #diagnosis
Whipple Disease (Tropheryma whipplei) - Diagnosis and Management 

Caused by: Tropheryma whipplei

Symptoms and Signs:
1. Migratory poly/oligoarthralgia
Whipple Disease ... Management Caused ... Symptoms and Signs: 1. ... Abdominal pain; ... positive T. whipplei test
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 ... #obgyn #obstetrics
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... Framework 1) ... HELLP - Grafts, Valves ... Laboratory Tests ... #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... 90%, Abnormal Abdominal ... Ultrasound High ... #Hematology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... Hypoparathyroidism - Type 1 ... /vomiting • Abdominal ... Serum DHEAS Diagnosis ... endocrinology #diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... / (TP + FN) = 1 ... how related two values ... but not on the causal ... #calculations #diagnosis