Drug used to prolong action of LA in Hypertensive pts –
Clonidine
Felypressin
Dexmeditomidate
Noradrenalin
Vasoconstrictor are used along with local anaesthetics.
Adrenaline is the most commonly used vasoconstrictor. Less commonly phenylephrine is also used. Felypressin (synthetic vasopressine) does not effect BP & HR → Preferred in patients with cardiovascular disease.