H 2 O. ADH. Antidiuretic Hormone ADH. Collecting Duct. Hypertonic Interstitial Fluid. Urine. Calcitonin. Calcium. Estrogen. Calcium. Parathormone. Calcium. Blood pH = 7.4 (7.35-7.45). Blood pH regulated by 1. Kidneys 2. Lungs 3. Buffers in blood.
Hypertonic Interstitial Fluid
Blood pH regulated by
3. Buffers in blood
CO2 + H2O H2CO3H++ HCO3-
= secreted in response to ⇓ vol;
Signs of …
Volume depletionVolume overload
Postural hypotension Hypertension
Absence of JVP @ 45o Raised JVP / gallop rhythm
Decreased skin turgor Oedema
Dry mucosae Pleural effusions
Supine hypotension Pulmonary oedema
Organ failure Organ failure
1. How much IV fluid does he need today ?
2. What type of IV fluid does he need ?
1. How much fluid does she need to regain a normal BP ?
2. What fluids would you use ?
1. How much excess fluid does he carry ?
2. What would you do with his IV fluids ?