Intravenous (IV) therapy is a cornerstone of modern medicine, used to deliver fluids, electrolytes, nutrients, and medications directly into a patient’s bloodstream. Understanding the types of IV solutions —isotonic, hypertonic, and hypotonic—is critical for safe and effective patient care. This article will discuss the common IV sites in the arm, principles for selecting these sites, and techniques for successful IV insertion. List of Roman numerals / numbers. Roman numerals chart List of Roman numerals / numbers. Roman numerals chart 1-100 UPDATED VIDEO: • How to Start an IV | IV Catheter Insertion. UPDATE: Newer guidelines recommend using a back-and-forth friction scrub for cleansing prior to insertion, rather than an. There is a wide variety of IV fluids available, each with its own indications and possible side effects. Understanding the composition of each IV fluid can help medical professionals choose the best treatment for every clinical scenario. The key difference? IV therapy bypasses your digestive system entirely, making it the fastest way to rehydrate, deliver medication, or replenish nutrients when your body needs help quickly. While its history dates back centuries, IV therapy became a safe, widespread medical staple in the 1950s. This page provides an overview of intravenous (IV) solutions and their medical applications, including fluid replacement, medication delivery, and electrolyte management. It explains different IV … An IV (intravenous) catheter is a small tube inserted into a vein that may be used for medicine, fluids, and nutrients. Learn more about IV placement. Intravenous therapy (abbreviated as IV therapy) is a medical process that administers fluids, medications and nutrients directly into a person's vein. The intravenous route of administration is commonly used for rehydration or to provide nutrients for those who cannot, or will not—due to reduced mental states or otherwise—consume food or. Injection routes refer to the various ways medications are administered using a syringe and needle.