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🩸 Em Bolus 🩸
Meet Em, she's a section through one of many tiny "microsphere" beads that were introduced into a bronchial artery to form a therapeutic embolus (blockage).
Embolization is a way for doctors to try and control bleeding, the blood supply to a tumor, or in this case hemoptysis (coughing up blood).
i❤️histo
📷 by @smlungpathguy [via Twitter]
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From Robert W. Hollenhorst (August 12, 1913 – January 10, 2008, American ophthalmologist) and from French plaque (thin plate, plaque, bacteria on teeth)
Perfusion defect
absent blood flow to alveoli
increased alveolar dead space (e.g., pulmonary embolus)
Nicholas Zwar (Australia): Tips praktis cegah Trombo-emboli vena
Nicholas Zwar (Australia): Tips praktis cegah Trombo-emboli vena
Oleh-oleh dari APTHC 2014, Hanoi, Vietnam
Risiko Trombo-emboli vena (VTE) pada perjalanan udara terjadi pada 1 dalam 4.656 penerbangan lebih dari 4 jam dan terus meningkat hingga 1 dari 1264 penerbangan lebih dari 16 jam. Belum ada bukti yang bermakna variasi insiden diantara kelas kabin yang berbeda (1st class vs economy class). Ternyata sudah terbukti bahwa penumpang yang duduk dekat jendela…
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Embolus VS Thrombus
An Embolus is a free floating clot.
A thrombus is typically anchored in an extremity (if it breaks free, it is an embolus.)
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The hook thing they use to pull out clots looks a lot like the car shredder used to drive in the ninja turtles cartoon.
Matt. No explanation needed.
Air emboli in the brain
Hi Dr Cranquis -- in an earlier question about anesthesia and stroke, you said that perhaps the patient had developed DVT and the clot shot up to the brain.What is the mechanism for this to happen? My mother suffered a massive stroke a couple days after an (otherwise successful) knee surgery and the Doctors said the same thing -- likely a blood clot formed and reached her brain. At the time, I didn't even think to ask how it could have happened.How does a blood clot go from a vein to the brain? I thought all venous blood had to go through capillaries at the alveoli in the lungs for oxygenation, so a blood clot from DVT should result in pulmonary embolism rather than a stroke? Is there some "bypass" route that some blood can take to get around the lungs?
Hey, way to read critically, Confuse Us Says!
Yes, it would be impossible for an embolus (traveling blood clot) originating from a DVT (located, by definition, in the Venous system) to travel into the arterial blood flow up to the brain without getting trapped in the capillaries in the lung… unless the patient had a pre-existing abnormal anatomic passageway providing a “bypass” around the pulmonary blood vessels. A patent foramen ovale could provide that bypass, leading to a “paradoxical embolus” which travels from the “right-sided” venous system into the “left-sided” arterial system. Not common, no, but possible. A cardiac ultrasound (echocardiogram) would help pick up that structural defect.
The more common sources for ischemic stroke emboli are from thrombi formed within the heart (heart attacks, atrial fibrillation, endocarditis, atrial myxoma) and the arteries (aneurysms), all located to the “left” of the pulmonary blood vessel system.
I’m sorry to hear about your mother’s stroke! Hopefully she’s recovering from it? :(
