Its widgets, support for 3G and 4G devices, and per-app display makes it the most useful app in the category. Whether you have an unlimited data plan or you're interested in carefully monitoring the mobile data you use, Android users have plenty of options when it comes to tools that keep track of their mobile data usage.
Symptoms of hypocalcemia include paresthesia, muscle spasms, cramps, tetany, circumoral numbness, and seizures. Hypocalcemia can also present with laryngospasm, neuromuscular irritability, cognitive impairment, prolonged QT intervals, electrocardiographic signs of myocardial infarction, or heart failure.
In this chapter, we address the basic notions of electrolytes disturbances and QT interval abnormalities. The most important abnormality of the QT interval is long QT syndrome, which provokes inhomogeneity of repolarisation with a marked tendency to induce severe ventricular arrhythmias (torsades de pointes).