44 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
and duration of symptoms ... angioedema Other symptoms ... fatigue, Nausea, abdominal ... , Chronic spontaneous ... urticaria, Chronic
Colonic Thumbprint Sign on Abdominal XRay - Differential Diagnosis:
 • inflammatory bowel disease: UC and CD
Colonic Thumbprint ... Sign on Abdominal ... XRay - Differential ... bowel disease: ... #Differential #
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Chronic Abdominal ... Pain Causes - Differential ... Diagnosis Framework ... changes • Urinary symptoms ... #Causes #Differential
Whipple Disease (Tropheryma whipplei) - Diagnosis and Management 

Caused by: Tropheryma whipplei

Symptoms and Signs:
1. Migratory poly/oligoarthralgia
Whipple Disease ... Tropheryma whipplei Symptoms ... and Signs: 1. ... Abdominal pain; ... positive T. whipplei test
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
• CNS symptoms ... Test for the respective ... thin smear • Signs ... biopsy • Lab values ... #diagnosis
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... hydrogen breath test ... colonoscopy), Abdominal ... testing for celiac disease ... #diagnosis #differential
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... Nausea/vomiting • Abdominal ... Serum DHEAS Diagnosis ... endocrinology #diagnosis ... #signs #symptoms
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Diagnosis Algorithm ... 90%, Abnormal Abdominal ... Chest Symptoms ... #Diagnosis #Algorithm
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
sensory • Before diagnosis ... intervertebral disc disease ... Straight Leg Raise Test ... pathophysiology #differential ... #diagnosis #signs
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
) Differential Diagnosis ... Recurrent and chronic ... • Nonsurgical abdominal ... #management #signs ... #symptoms #rheumatology