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.
exists and is an alternate of . USPS parcel post is a ground surface offered by the USPS, and is estimated to take from 2 - 9 days, or up to 14 postal business days. Priority mail takes priority over parcel post and first class mail, is usually sent by air, and can arrive in 2-3 days, with a maximum of 5 days.
USPS First Class Package Service is a fast, cost-effective way to ship lightweight packages weighing up to 13 ounces to any U.S. destination.or lightweight packages, First Class Package Service offers greater cost savings compared to Priority Mail and Standard Post (formerly known as Parcel Post).