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asymmetric brachial blood pressure
Etiology:
- atherosclerosis, atheroma, peripheral arterial disease, subclavian stenosis
- *compression of the subclavian artery or brachial artery due to mass lesion in upper chest or axilla
- thoracic outlet syndrome
- Pancoast tumor
- axillary nodes
- arterial thrombosis of brachial artery or axillary artery
- subclavian steal syndrome
- aortic dissection
- acute aortic syndrome
- Takayasu's arteritis
- giant cell arteritis
- *congenital disorders
- anomalous origin of the innominate artery
- anomalous origin of the right subclavian artery
Epidemiology:
- age is only consistent predictor of unequal brachial BP
Complications:
- increased cariovascular risk & increased mortality
General
sign/symptom
References
- Clark CE et al
The difference in blood pressure readings between arms and
survival: primary care cohort study.
BMJ 2012;344:e1327
http://www.bmj.com/content/344/bmj.e1327
PMID: 22433975
- Gardner BM. Medscape Family Medicine. June 19, 2002
Wide Blood Pressure Variation Between Arms
http://www.medscape.com/viewarticle/436713