What does Potassium do? Potassium is predominantly an intracellular ion, and is the main determinant of the resting membrane potential. Any sort of acute change in potassium will therefore alter the resting membrane potential, and interfere with the electrical excitability of cells, thereby affecting all processes in the body that
The anion gap, that unassuming number lurking on an EUC panel, is often described vaguely as the 'difference between the amount of cations and anions in the blood', which if one examines further, makes no sense as this should always be zero if the blood is to remain
Updated 12 Aug 2025 08:32 Yes, we're already title-dropping in episode two. Why hysteresis? What even is this elusive sounding term? The term comes from the ancient Greek ὑστερέω (husteréō), which means to 'come later' or 'lag behind'. This I believe a fitting
Updated 12 Aug 2025 - 23:19 What are absolute lung volumes? Absolute lung volumes are all the lung volumes that are NOT relative. Basically Residual Volume (RV), which is the volume remaining in the lungs after a maximal forced expiration, and any lung capacity that incorporates RV. These include: