we were advised not to flush the line before administration of the infusion but to rather withdraw with the syringe for blood in checking for the patency.
Why isn't the blood from the vein flowing through the tube hight to the bag??? I thought that fluids are supposed to travel from higher pressure to lower pressure (Bernoulli-Physics)..and the spot where we put the iv has higher pressure than the bag, as its lower than the bag and the tube has the same diameter all the way...
thats valid but iv systems involve a combination of factors like gravity, hydrostatic pressure, and the control of flow rates so its not just pressure differences as stated in the principle