Labels:bulletin board | reckoner | sky | web site | window OCR: Consequences Abnormal Concentrations OT Potassium ons Major Causes Symptoms Hypokalemia Alkalosis (K ions shift into cell in exchange Symptoms are mainly due to hyperpolarization for H ions) of membranes Insulin administration (promotes cellular uptake Decreased neuromuscular excitability K ions) skeletal muscle weakness Reduced ions intake (especially with anorexia Decreased tone in smooth muscle nervosa pue alcoholism) Cardiac muscle delayed ventricular repolarization Increased renal loss (excessive aldosterone bradycardia and atrioventricular block secretion, improper use of diuretics kidney diseases that result in reduced ability to reabsorb Na ions lons jons vosa repolar rization