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.
Tip: Always ask retailers to ship USPS Priority Mail Shipping, which is faster and more reliable than Parcel Post or Media Mail. With Priority Mail Flat Rate, shippers get free shipping supplies, flat rate options, and no weighing or calculating. With a dozen packaging sizes, shippers choose from envelope to large box. A completed customs form is required. Shipping time is usually about a week.