00:01
Okay this question says, ao is an 89 year old woman with a long history of systolic heart failure.
00:08
So you have systolic heart failure here, secondary to a large left ventricular infarct when she was in her 70s.
00:22
She had poor activity tolerance and required assistance with activities of daily living.
00:26
Even minimal activity was associated with moderately severe dyspnea and exceptional chest pain which was believed by guests.
00:34
Ao also exhibited marked pedal edema bilaterally and she's being treated with digital digitalis, furosemide, potassium chloride, and sublingual nitroglycerin.
00:48
Okay what is the most likely cause of ao's pedal edema? so you have you have some options here you have option a that is prolonged left -sided failure causes an increase in back pressure on the right ventricle and eventual biventricular involvement.
01:07
Dehydration leads to pedal edema.
01:09
Right -sided failure can cause pedal edema.
01:13
And option d says isolated left -sided leads to pedal edema.
01:18
And the most appropriate answer here is going to be option a.
01:24
Okay because remember that when you have left heart failure what is going to happen is that if this is your heart for example and this is your these are your chambers you have the left atrium and the left ventricle the right atrium and the right ventricle.
01:39
So this left ventricle is not working appropriately it means it is not going to be able to eject all of all of the blood within it to the aorta artery...