A 65 year old male patient with history of coronary aery disease was diagnosed with hemorroides. The anaesthesia modality of choice for haemorrhoidectomy

Saddle anaesthesia is spinal anaesthesia given in sitting position. After giving the drug patient is kept inthis position for 5-10 mins. Drugs only blocks sacral nerve roots and perineal anaesthesia is achieved.Since thoracic and lumbar spinal nerves are not blocked it has is no haemodynamic alteration. Caudal is the other name of sacral epidural anaesthesia commonly done in < 7 yrs old children since it is easy to approach is sacral epidural space because of unfused sacral hiatus. Caudal anesthesia requires identification of the sacral hiatus.