A transient ischemic attack (TIA) happens when blood flow to part of the brain is blocked or reduced , often by a blood clot. After a short time, blood flows again and the symptoms go away. With a stroke, the blood flow stays blocked, and the brain has permanent damage.
For other uses, see Fathom (disambiguation) . A fathom = 6 feet or 1.8288 metres, is a unit of length in the old imperial and the U.S. customary systems, used especially for measuring the depth of water. There are two yards (6 feet) in an imperial fathom. Originally based on the distance between a man's outstretched arms, the size of a fathom has varied slightly depending on whether it was defined as a thousandth of an (Admiralty) nautical mile or as a multiple of the imperial yard.
1 Fathom = 1.8288 Meters. Fathom is an imperial, U.S. customary length unit and usually used to measure the depth of water. The abbreviation is ftm. Meter is a metric system base length unit and defined as the length of the path travelled by light in vacuum during a time interval of 1/299,792,458 of a second. It equals to 3.2808399 feet or 39.3700787 inches.