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.
It usually takes between 2 and 9 days to receive a Standard Post package, but USPS sometimes takes up to 14 postal business days to deliver items sent with this method. This mail class was formerly known as Parcel Post, until it was changed to Standard Post in January 2013.he 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.