Questions tagged [arteries-artery]

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What is the difference between lipohyalinosis and microatheroma?

Lacunar strokes (small-vessel subcortical strokes) are commonly caused by "lipohyalinosis" or "microatheroma"(1). Both mechanisms appear to be related to hypertension and diabetes, ...
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26 views

Why is carotid endarterectomy not beneficial for symptomatic 100% internal carotid stenosis?

According to this review article, for symptomatic internal carotid artery stenosis: [Carotid endarterectomy] was highly beneficial in participants with 70% to 99% stenosis without near-occlusion (N = ...
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What causes external lower leg to visibly pulse?

I wonder what causes the lower leg(fibula side) to pulse visibly for few minutes after exercising/walking etc. If the pulse is synchronised with the hearth rate, is it more likely to be a vein or an ...
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432 views

Mechanism of retrograde propagation of arterial thrombi

Quoting from _Robbins Basic Pathology 9th ed. Thrombi are focally attached to the underlying vascular surface and tend to propagate toward the heart; thus, arterial thrombi grow in a ...
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118 views

Why is there not enough research on heart stent and exercise?

I am a 69 years old man who has been jogging and running many marathons all my life. I can't pick my genes so i had a blockage in my heart artery which lead to placement of a stent last year in spite ...
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33 views

Could someone reasonably bleed out from a puncture wound on the front of the thigh?

Could someone reasonably bleed out from a puncture wound on the front of the thigh? I am by no means an expert in physiology or any related science, but to my knowledge I suppose the only thing they ...