[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.28,0:00:03.42,Default,,0000,0000,0000,,A healthy heart, as seen here,
Dialogue: 0,0:00:03.42,0:00:06.51,Default,,0000,0000,0000,,beats approximately \N60 to 100 times a minute,
Dialogue: 0,0:00:06.51,0:00:09.68,Default,,0000,0000,0000,,providing oxygen-rich blood \Nto the rest of the body.
Dialogue: 0,0:00:09.68,0:00:12.78,Default,,0000,0000,0000,,The lower left chamber of the heart, \Ncalled the left ventricle,
Dialogue: 0,0:00:12.78,0:00:14.93,Default,,0000,0000,0000,,is the main pumping chamber.
Dialogue: 0,0:00:14.93,0:00:16.98,Default,,0000,0000,0000,,There are many different \Nconditions that can lead
Dialogue: 0,0:00:16.98,0:00:20.52,Default,,0000,0000,0000,,to Congestive Heart Failure, \Nincluding a prior heart attack,
Dialogue: 0,0:00:20.52,0:00:23.69,Default,,0000,0000,0000,,high blood pressure, \Nand Coronary Artery Disease.
Dialogue: 0,0:00:24.41,0:00:26.94,Default,,0000,0000,0000,,Any of these can prevent the heart\Nfrom efficiently
Dialogue: 0,0:00:26.94,0:00:28.98,Default,,0000,0000,0000,,pumping blood \Nto the rest of the body.
Dialogue: 0,0:00:28.98,0:00:31.76,Default,,0000,0000,0000,,As a result, the heart may beat faster
Dialogue: 0,0:00:31.76,0:00:36.51,Default,,0000,0000,0000,,and the ventricle may increase in size, \Nbecoming an even less effective pump.
Dialogue: 0,0:00:36.51,0:00:39.39,Default,,0000,0000,0000,,When the kidneys sense \Nthe reduced blood flow,
Dialogue: 0,0:00:39.39,0:00:42.94,Default,,0000,0000,0000,,they attempt to compensate \Nby retaining more water and salt.
Dialogue: 0,0:00:42.94,0:00:46.98,Default,,0000,0000,0000,,This excess fluid retention \Noften causes congestion in the tissues
Dialogue: 0,0:00:46.98,0:00:49.89,Default,,0000,0000,0000,,and results in swelling \Nand in increased strain
Dialogue: 0,0:00:49.89,0:00:51.92,Default,,0000,0000,0000,,on an already weak heart.
Dialogue: 0,0:00:51.92,0:00:55.67,Default,,0000,0000,0000,,The progressive effect of the heart \Nfailing to properly circulate blood
Dialogue: 0,0:00:55.67,0:00:58.19,Default,,0000,0000,0000,,and congestion due to fluid retention,
Dialogue: 0,0:00:58.19,0:01:00.51,Default,,0000,0000,0000,,is known as Congestive Heart Failure.