<prompt> Intravenous anaesthetic causing supression of steroid synthesis:EtomidateThiopentoneKetaminePropofol  <response>: Ref: Ajar Yadav, Short Textbook of Pediatrics 1st edition. Miller Textbook of Anaesthesia. 6th edition.Explanation:EtomidateNot easily availableCVS- Cardiostable agentNo respiratory depressionSide EffectsEndocrine - Transiently inhibits the enzymes involved in cortisol aldosterone synthesisLong term infusion leads to Adrenocortical supressionNausea Vomiting - Incidence 40 Highest among all intravenous anestheticsMyoclonus 30 - 60Painful injectionThrombophlebitisVitamin C deficiencyUsesIV anesthetic of choice for Aneurysm surgery and patients with cardiac diseaseIt is rarely used these days. 