Limb diffefence in Bloodpressure
Blood pressures in the arms
Normally the difference is less than 10 mmHg
Right upper limb BP> left upper limb BP
Right - Left upper limb BP difference > 10 mmHg is seen in
Lower limb BP > Upper limb BP
Normally difference is less than 20 mmHg.
Lower limb BP-Upper limb BP> 20 mmHg is seen in
Normally the difference is less than 10 mmHg
Right upper limb BP> left upper limb BP
Right - Left upper limb BP difference > 10 mmHg is seen in
- Obstruction of aorta, or subclavian arteries
- Supravalvular aortic stenosis
Lower limb BP > Upper limb BP
Normally difference is less than 20 mmHg.
Lower limb BP-Upper limb BP> 20 mmHg is seen in
- Aortic regurgitation
- Coarctation of aorta
- Takayasu disease