Serum and plasma osmolality (mosm/kg water; collected on days 1, 3, 6, 9 and 12) were analyzed immediately after collection, using the osmometer described above. Plasma samples were stored at − ...

low extracellular fluid osmolality and increased water retention. The hypothyroid population is characterized by significant volume changes, initiating a volume-dependent, low plasma renin ...

Blood samples were analysed for glucose, protein, sodium, potassium, calcium, and magnesium concentrations, as well as serum osmolality, haemoglobin, and packed cell volume. Runners who suffered from ...