<prompt> Early reversible shock is characterised byDecreased BPDecreased hea rateOliguriaCold clammy extremities and increased peripheral resistance  <response>: The presentation of shock is variable with some people having only minimal symptoms such as confusion and weakness. While the general signs for all types of shock are low blood pressure, decreased urine output, and confusion, these may not always be present.While a fast hea rate is common, those on b-blockers, those who are athletic, and in 30 of cases of those with shock due to intra abdominal bleeding may have a normal or slow hea rate.Specific subtypes of shock may have additional symptoms. Dry mucous membrane, reduced skin turgor, prolonged capillary refill time, weak peripheral pulses and cold extremities can be early signs Ref Davidson 23rd edition pg 355 