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.
However, you canât use Standard Post for packages that measure more than 130 inches in length and width and weigh more than 70 pounds. The USPS utilizes zone-based pricing for all Standard Post package shipping. There are 9 zones in the U.S. and prices are based on the distance from the original package location to the delivery destination. Prices start at $5.75 for a one pound package. Also, Standard Post is subject to USPSâs balloon pricing. The USPS can charge you extra if your parcel weighs less than 20 pounds, but measures between 84 and 108 inches in length and width.