Left axis deviation (LAD) is a condition whereby the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between -30Â° and -90Â°. This is reflected by a QRS complex positive in lead I and negative in leads aVF and II.
Package (or thick envelope) A package is a parcel (or box) less than 84 inches when you add the length plus girth. Length is the longest side of a package. Girth is the distance around the 2 smaller sides of a package. A thick envelope is a large envelope exceeding 3/4 inch thickness.
* Price based on shipping a package of 20 lbs or less. USPS is one of the most trusted courier and postal services in the United States, and this is due in large part to the wide array of shipping options they have available. One of these shipping options is priority mail, which allows items to be shipped in a variety of sizes, shapes and weights at different tiered flat rates.