36 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
and duration of symptoms ... Nausea, abdominal pain ... #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome ... younger pts) Differential ... chills, flank pain ... Test: Donath-Landsteiner ... test #cold #
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
hypoxemia • COPD ... fatigue, or chest pain ... fatigue, chest pain ... Symptoms of right ... #diagnosis
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Diagnosis Framework ... - Asthma - COPD ... Hepatopulmonary syndrome ... Deconditioning - Pain
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Diagnosis Framework ... Autoimmune: Warm AIHA, Cold ... Drug-associated, PCH, Evans Syndrome ... Laboratory Tests ... #Diagnosis #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
matter, spinal cord ... Behcet disease) Differential ... Nonsurgical abdominal pain ... #signs #symptoms ... #rheumatology #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... Diagnosis: • ... • Provocative Tests ... #differential # ... diagnosis #causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Diagnosis by Classification ... draw • Severe pain ... Subclavian steal syndrome ... #Diagnosis #Classification ... #Table #Causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Diagnosis by Mechanism ... - Cirrhosis Syndrome ... e.g. pneumonia, COPD ... SSRIs) Severe pain ... #Diagnosis #Table
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... Lower motor neuron symptoms ... Upper motor neuron symptoms ... #differential # ... diagnosis #neurology