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before I say anything I just want to say that if
you are squeamish you might not want to watch this
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video because there will be some pictures of
lungs that have a blood clot in them and other
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organs of the body and my opinion is nothing that
bad but I wanted to give you a warning regardless
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this video is a follow-up to my last video which
is called what doctors are learning from autopsy
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findings of COVID patients just after I published
that video not even a day later this study came
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out published in the annals of internal medicine
which I'll put a link in the description below
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and what makes this study such a big deal is
that it's the first study that looked at this
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many autopsies of patients who died of COVID not
only do they do complete autopsies but they use
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CT scans to scan the entire body for blood clots
all 12 of the deceased had tested positive for
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SARS coronavirus - by means of rt-pcr now I want
to say something not everyone on this planet is
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going to get COVID for those who do get the virus
80 percent of them will have either mild or no
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symptoms roughly 15 to 20 percent of them will
have pneumonia roughly 4 percent will develop
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ARDS or a few respiratory distress syndrome and/or
shock with multi-organ failure and about 1 percent
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will die of the infection when I'm in the ICU and
someone dies it's obviously horrible sometimes
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autopsies have to be done irrespective of family
consent when it's a legal matter rarely depending
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on the circumstances we ask family's permission to
do an autopsy most families decline the option for
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autopsy but during this pandemic it's especially
important for autopsies to be done because they
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often provide incredibly valuable information
especially when we still know so little about
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COVID especially when it can present in so many
different ways so in this study that was done in
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Germany autopsies were mandated for patients
who died of coded and to the families of those
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victims of COVID my condolences and we're
still trying to figure out why some people
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do so poorly when they get the virus while others
do just fine and then there's everyone in between
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the point of this video is not to scare people
the point is to learn about the disease and to
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ultimately benefit from that learning with
the hope of developing treatment options in
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ultimately reduce morbidity and mortality in other
words to save lives and by making this video the
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goal is to educate myself and others about what
we're learning and getting the medical truth out
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there to the public so in this study there were
12 patients total nine men three women and the
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median age was 73 all patients had some type of
pre-existing medical condition most of them had
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obesity and/or underlying heart disease such as
coronary heart disease some had type 2 diabetes
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hypertension peripheral artery disease asthma
COPD initial lab tests revealed elevated levels
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of d-dimer lactate dehydrogenase meaning LD H
and C reactive protein or CRP all of these are
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nonspecific markers of inflammation there is also
mild thrombocytopenia in some patients meaning low
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platelet counts this isn't an unusual finding in
patients who are critically ill they also looked
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at levels of viral RNA using rt-pcr studies all
twelve patients had the Stars quarter virus to
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RNA in their lungs nine out of the twelve had it
in their throat and six had in their bloodstream
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in five patients they had viral RNA in other
tissues like heart liver brain and kidney not
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only did they have the virus there but the levels
were higher in those tissues compared to the blood
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here's a picture from a different autopsy that
was not part of this study where the virus was
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actually visualized in the kidney using electron
microscopy so what is this telling us it tells us
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that the virus is binding to those h2 receptors
in those organs so in some people who dive COVID
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they had the virus in other organs besides the
lungs but and this is a big but they did not die
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as a result of that virus being in those different
organs they died as a result of lung complications
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also an important takeaway from this is that all
twelve had in their lungs and nine out of the 12
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in their throat so when you go to do a throat
swab with someone who has COVID the virus might
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not even be there and that's just another reason
why you can get a false negative test okay so they
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also did post-mortem CT scans of these patients
which demonstrated mixed patterns of reticular
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infiltrations in severe dense consolidations in
both lungs this CT scan is a patient with covid
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pneumonia in erred yes not from this study
that we're talking about now but basically
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demonstrating the exact same thing both lungs have
extensive consolidations ground-glass opacities
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which represent an extensive inflammation these
are also known as pulmonary infiltrates and you
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can see the difference compared to a normal
CT scan of the chest which doesn't have any
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pulmonary infiltrates in four cases out of the 12
massive pulmonary embolism meaning massive blood
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clots in the pulmonary arteries was the cause of
death in another three cases out of the 12 they
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had blood clots in their large veins of their legs
meaning DVT without having pulmonary embolism so
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in six of the nine men they had clots in the veins
that surround the prostate gland in all 12 cases
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the cause of death was found within the lungs or
the pulmonary vascular system meaning within the
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pulmonary arteries for the ones who didn't die of
having a large pulmonary emboli they died of the
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extensive inflammation within the lungs meaning
pneumonia with ARDS in these cases the lungs were
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wet and heavy much like a sponge that is saturated
with water the surfaces of the lung often had
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a distinct patchy pattern with pale areas
alternating with slightly protruding and firm
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deep reddish blue hyper capitalized areas this
is indicative of areas of intense inflammation
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with endothelial dysfunction that can be seen at
the microscopic level when they look at slices
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of the lungs under the microscope they found
diffuse alveolar damage in eight cases out of 12
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specifically they saw hyaline membrane formation
tiny clots in the capillaries and capillaries
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that were engorged with red blood cells and
other inflammatory findings all these findings
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represent ARDS they also found lymphocytes
a type of a white blood cell that infiltrated
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these specific tissues this fits the picture of a
viral pathogen ASIS they also look at the pharynx
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of these patients meaning the throat the lining of
the throat where the mucosa was hyperemic meaning
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very red and irritated and at the microscopic
level they saw lymphocytes invading there as well
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again which is consistent with a viral infection
in one case a patient had lymphocytes invade his
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heart muscle findings that are consistent with
what we call viral myocarditis in other words the
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heart muscle had evidence of viral infection more
than half the patients in this study had large
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blood clots 1/3 of the patients had pulmonary
embolism as the direct cause of death all the
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others died of intense inflammation in their lungs
related to pneumonia and ARDS recently there's
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been studies showing that about 1/3 of patients
with severe COVID have blood clots another study
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of 191 patients with Kovan 19 half of those who
died had clots compared with 7% of the survivors
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and levels of d-dimer that were greater than
1,000 were associated with a fatal outcome so
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it's pretty clear now that stars curve to virus
is causing a lot of class to form and moderate
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to severe COVID disease but how is this happening
it's likely a combination of reasons they have
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to do with down regulation of the h2 receptor in
the lung alveoli with a subsequent shift towards
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having more angiotensin 2 in the lungs and less
angiotensin 1:7 and less in angiotensin 1:9 in
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the lungs and when this happens this leads to
more cytokine storm with more inflammation more
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constriction of pulmonary arteries and more
clots that develop that in turn leads to more
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endothelial dysfunction in the capillaries that
surround the alveoli also there's evidence that
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the virus attaches to the ACE 2 receptors of the
endothelial cells that line those capillaries
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which further propagates inflammation in clotting
and in the cytokine storm that develops there
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Randy's Okemo kine bind to the ccr5 receptor
of cd4 and cd8 lymphocytes and that causes
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those lymphocytes to infiltrate those areas of
inflammation and in doing so further contributes
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towards the inflammatory reaction this is why
we're seeing low levels of cd4 and cd8 lymphocytes
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and severe COVID endothelial damage can also lead
to the development of antiphospholipid antibodies
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and these antibodies are bad because they trigger
the formation of blood clots and that's why
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patients who have clots with the diagnosis
of antiphospholipid antibody syndrome they
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need to be on blood thinners also 11 out of the 12
patients in the study had underlying heart disease
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and were obese these are known risk factors not
just for cardiovascular disease but also known
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risk factors for endothelial dysfunction in our
known risk factors for COVID the endothelium is
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more susceptible to damage based on cardiovascular
risk factors such as men age 45 or older women
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age 55 or older smoking high blood pressure high
cholesterol diabetes obesity and lack of physical
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activity so the big takeaways from the findings
in this study is that most people who die of kovat
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it's primarily a lung problem either related to
inflammation with ARDS and/or blood clots even
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though blood thinners are not a cure for kovat per
se they do have the potential to save lives the
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hard part is figuring out who is likely to develop
clots and who should we give blood thinners to and
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which blood thinners should we give and should
we give high doses of blood thinners or just the
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low-dose prophylactic doses to further complicate
matters it's often hard to diagnose blood clots in
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hospitalized patients even before COVID came along
usually it's easy to diagnose large blood clots in
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the veins of the legs meaning DVT by doing an
ultrasound of the legs even though ultrasound
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isn't a hundred percent accurate the way we
typically diagnose pulmonary emboli is by getting
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a CT scan of the chest while at the same time
giving IV contrast and this is called a CT angio
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or CT a of the chest the downsides of doing this
well there's several one you have to transport a
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patient to the CT scanner and sometimes patients
aren't stable enough to do that to you risk
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spreading the virus to others in the hospital by
transporting that pay and this will also require
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more PPE use 3 CT scans require larger doses of
radiation for giving someone IV contrast has some
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risks such as the risk of serious allergic
reaction in the risk of causing some kidney
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damage on top of that the CTA of the chest can
only visualize bigger clots so you might not see
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the small clots that are there right now more and
more hospitals are giving high-dose blood thinners
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to COVID patients who have severe disease even
if they haven't been diagnosed as having blood
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clots but what about patients without moderate or
severe Kovich should they take a blood thinner or
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maybe a low dose blood thinner or should they take
an antiplatelet medication like aspirin either 81
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milligrams of aspirin or 162 milligram dose or 325
milligrams os-- or should the general public take
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a low dose aspirin like 81 milligrams in order to
help prevent blood clots from forming if they do
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get COVID or should it just be certain people in
the population who are at higher risk of getting
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severe COVID should they take aspirin these are
the questions we don't know the answers to at
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this point it's going to take a lot of studies
to answer these questions because not only do
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we need to know that there's a benefit in doing so
we have to know that these benefits will outweigh
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the risks such as the risk of bleeding and then
there's all the other drugs that are being looked
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at right now and randomized control trials we
should start seeing some of these results pretty
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soon what we do know is that in order to improve
the capillary endothelium and also to minimize
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your chances of having severe disease if you
were to get COVID you want to do several things
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this includes exercise eating healthy getting
good sleep minimizing stress not smoking what
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about vaping generally not good either but not as
bad as smoking too much alcohol not good either
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have your medical conditions under control
whether that's diabetes high blood pressure
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COPD asthma allergies whatever the case may be
now what about vitamin D probably a good thing
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but that's a whole nother topic which I should
make my next video on because there's a lot to
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say about that and possibly other vitamins too
if you're deficient in certain vitamins anyway
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to catch that video subscribe to this channel and
hit that Bell notification so you know when I post
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here on YouTube so many topics I want to cover in
so little time but I will see you in the next one