Dear Dr. Roach: Your recent article on electrolytes reminded me of my mother’s experience. At 89, she was dizzy, fainting and falling. I took her to her doctor. Her blood tests showed dangerously low ...

Tolvaptan is a new class of agent addressing a new target. Elevated levels of the hormone arginine vasopressin promote water retention, a process tolvaptan apparently can reverse. Current management ...

A new study published in the European Journal of Heart Failure reveals that the speed of lymph flow in the legs may determine how well patients respond to diuretics, a key therapy for acute heart ...