If a male patient is on an iv fluid and needs to have the fluid balance monitored then how is this done? would it be particularly difficult to do if the patient is delirious?

Fluid balance: A couple of different ways to follow a person's fluid balance:First, measure the actual fluid given (IVFs) and measure how much urine is made (easiest if they have a catheter, but can be done without).While there are other ways to "lose fluid", urine is by far the largest contributor. The other way to to monitor the patient's precise body weight every day (works well for patients with kidney issue