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PPIs and foodborne illnesses

This question arose due to an answer in Cooking Exchange. It was stated that certain larvae can survive stomach acid and pass thru to the intestine. When a patient is on PPIs, are there foods to be ...
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4 views

Antibody test after vaccination with BBIBP-CorV

After vaccination with BBIBP-CorV (inactivated) which of the following tests can be taken to determine if the vaccine produced an immune response: IgM for N protein IgG for N protein IgG for S ...
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15 views

What are the patological mechanisms in asthma?

What is the up to date art of knowledge about precise molecular mechanisms in asthma condition ? Were there disvovery of new mechamisms in the last decade or so ? Is it known why does the bronchi ...
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1answer
30 views

what causes hypoxia in Covid19?

What is known right now about the causes of hypoxia in Covid19 infection ? Does it comes from thrombosis formation in lung vessels ? And/or because of damage of lung alveoli by viral replication ? Or ...
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5 views

Is the common saying that sitting close to a screen regularly can cause short-sightednes backed by medical science?

How true is this? Should I be cautious as I spend too much time in front of a laptop screen? I already have glasses with power 0.5 and 0.25, ( this was 3 years ago, I haven't tested recently) but I ...
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24 views

Why Covid-19 patient require 60 L/min of oxygen while lungs of a normal person only needs 6 L/min

In fact why does it even needs 6L/min that seems so unrealistic. Also what does this per minute thing means since we are talking about oxygen i.e. a gas & gases have no definite volume. Read this ...
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19 views

Does Remdesivir really go bad after reconstitution with sterile water?

I was recently looking at how long can Remdesivir be stored in its different forms. I came up across several articles provided by the FDA and Gilead Sciences and others. What caught my eye was the ...
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5 views

Is there any research on health effects of OLED screens?

All screens I've used before are LCDs. Considering now an OLED option on a smartphone. However, there's lots of info about harmful effects of OLED on eyes, among those: PWM flicker, which, while not ...
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4 views

Any known case reports of inadvertent i.v. administration of an adenovirus-based vaccine?

In connection with another question here (which discusses the theory that TTS effects in [Covid-19] adenovirus-based vaccines are due to i.v. administration error) let met ask: are there any known ...
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8 views

What is a good way to preserve an already-collected blood sample for future genomic DNA sequencing?

I'd like to have complete genomic DNA sequencing done at some point in the future (weeks or months from now) on some samples taken last week. These samples are standard clinical blood draws (EDTA ...
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23 views

why are pain killers as a whole so addictive?

It seems that almost every painkiller medication that I can think of has some addictive qualities, such as morphine and panadol and many others. just now I have realised that medical marijuana is ...
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1answer
10 views

Were thrombocyte counts or bleeding events monitored at all during ChAdOx1 (AZD1222) clinical trials?

Maybe I'm just missing something, but on a quick look, I find it a bit strange that since issues with thrombocyte (platelet) counts in adenovirus-vectored therapeutics have (1) been known for about ...
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47 views

Radiological Phantom Studies - Sampling with no People

I am writing a critical appraisal regarding a radiological study using an anthropomorphic imaging phantom. The phantom is constructed of materials that mimic human tissue but negate the need to ...
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27 views
+100

Vaccine production by company

As of May 8, 2021 which companies have the highest rate of covid vaccine production? I would be satisfied to see a list of 10, but a list of 5 or 3 would be good as well. Also any unit is fine number/...
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12 views

Were any drugs completely withdrawn from market only due to accidental/incorrect administration resulting in serious adverse events (incl. death)?

I know the "bupivacaine story" which [in some countries] was withdrawn from IVRA [intravenous regional anesthesia] use (aka Bier block) following some deaths, but still, for instance... ...
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11 views

Meaning of subperiosteal undermining

I am in Medical school and I've been going thru the chapter on cleft palate in Bailey. In the repair of Cleft lip, it says Muscular continuity is achieved by subperiosteal undermining over anterior ...
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1answer
25 views

Measuring Carotid pulse

The Mayo clinic advises us to use our index and long finger to take our carotid pulse: Is there a reason to not use other fingers? Do the others have stronger pulses that we want to avoid mistakening?...
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16 views

What type of malocclusion would this person have?

I'm doing a biology course and we are studying human teeth. We are given a picture and asked to say if the individuals teeth are normal or not. If not, what malocclusion do they suffer from. I would ...
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28 views

When we get a cavity, do some teeth get cavities more frequently than others?

Phrased in another way, what are the factors which may increase the probability that a given tooth to have cavity over other tooth in the whole set of our teeth? Searching on google, I got hints ...
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12 views

Alzheimer's Disease Diagnosis [closed]

I have very little idea about this topic so it's kinda like a noob question. But... I read that Alzheimer's can be diagnosed only after death by histopathology of the brain... Why can't we do a brain ...
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0answers
22 views

How unhealthy is soya oil?

Soya oil has been described as the most unhealthy oil, even more unhealthy than processed sugar. Does this apply to raw oil used in tuna cans, and is there any way to reverse its adverse effects? ...
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10 views

In what direction do the usual “warning factors” affect SpO2 measurements?

Perusing the manual of my home-use pulse oximeter it has the usual warnings easily found elsewhere on factors that may affect accuracy, but these are indicated qualitatively from "anemias" ...
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22 views

Is the decrease in vaccine uptake in the US for two weeks in a row in line with some models' expectation?

According to Reuters news of May 3, vaccinations have also fallen in the US for two weeks in a row. Nationally, deaths from COVID-19 fell 3% to 4,819 in the week ended May 2, the fewest deaths in a ...
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23 views

Would it be okay to have the Astrazeneca vaccine if I had dengue hemorrhagic fever as a child? [closed]

Although it happened more than two decades ago, I still remember being very ill, vomiting so much blood at one point. I was given an IV drip and had to stay in hospital for a while. Would having had ...
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26 views

What is the historical or scientific basis for concern about COVID vaccines and pregnant women and their babies?

There's a lot of talk about whether COVID vaccines are safe for pregnant women and their fetuses. Current guidelines, while mentioning that there's little data, suggest that they are safe. However, I'...
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1answer
30 views

What is a normal lower limit for blood oxygen (sp02)?

I've noticed that my blood oxygen is nearly always in the 95-98 range whereas my wife is 98-99. I'm healthy with no known conditions whereas she has asthma. What is the normal range for healthy humans ...
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18 views

How does vasodilation help with low blood oxygen levels?

I have been thinking and googling about the effects of vasodilation and vasoconstriction on blood pressure. Vasodilation is said to improve blood flow and reduce blood pressure while vasoconstriction ...
1
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1answer
40 views

Sun exposure damage

I had a lot of times in my life when I got seriously sunburned (my skin got extremely red). Though, after the sunburns pass, I become a lot darker and tanned and then I do not get burned any more, ...
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1answer
32 views

Does Tritium radioactivity penetrate eye tissue?

In the past Tritium was used in watch dial lume. Even though it is mildly radioactive, it was deemed safe because its radioactivity doesn't penetrate the skin. However, we have other tissues in our ...
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8 views

Under what circumstances are submandibular lymph nodes activated in cases of infection by respiratory viruses?

In reviewing reports concerning symptomology of respiratory viruses, I find that incidence of activation of the submandibular lymph nodes is described as possible or "frequent" but have not ...
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0answers
30 views

Detrimental effects of very-wide or multiple monitors?

Over the past several decades, computer monitors have typically gotten larger, and more specifically wider. Also, it has become (somewhat) more common for people to use an multiple monitors next to ...
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8 views

Eat well guide NHS - Juice intake [closed]

On eat well guide NHS it says Fruit juice and smoothies also count towards your fluid consumption, but they contain free sugars that can damage teeth, so limit these drinks to a combined total of ...
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12 views

body tolerance of medical drug consumption [closed]

is it true that if the body develops a certain tolerance towards a drug the dosage has to reach a specific level to work? That would imply that if this level is not passed the drug is completely ...
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17 views

When speaking of vaccine efficacy (for COVID-19, or other), is immune response or efficacy really being measured? [duplicate]

I've been performing many web searches using combinations of the words "vaccine", "vaccination", "COVID-19", "coronavirus", "efficacy", and "...
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1answer
22 views

How can an individual seek to get an idea investigated as a potential treatment, or seek a change in a particular guideline?

It would be dangerous for the general public to provide advice on 'what they reckon' would be a good treatment or a good guideline for medical advice; and that has clearly caused problems in the past. ...
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34 views

Covid-19 and Original Antigenic Sin

My understanding of original antigenic sin, which I admit is minimal, is that with some pathogens, your immune system gets too focused on one variant and thus is wholly unprepared to deal with a ...
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14 views

Will there be any error in the result if the sample taken for COVID-19 RT PCR test is kept for days before performing the test? [closed]

What would be the impact of keeping the sample (nose swab) for 5 days before performing RT-PCR on it? If no, then is there a particular way of storing the sample. Is there any standard set by the ...
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0answers
14 views

Has the initially reported rate of anaphylaxis following the Pfizer Covid-19 vaccine been sustained in later data?

A CDC/MMWR study that made the news back in January found that: The CDC said there were 21 cases of anaphylaxis — a severe and life-threatening allergic reaction that occurs rarely after vaccination —...
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21 views

Why does my volunteering with kids mean I should get a tetanus shot?

I volunteer with kids a decent amount. A little while ago my doctor recommended that I get the tetanus shot specifically due to the fact that I spend so much time around small children. At the time I ...
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10 views

How does the Control Zone on Rapid Covid Tests work?

How does the Control Zone on Rapid Covid Tests work? The Test Zone reacts to covid cells, from what I understand. But to what reacts to Control Zone?
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1answer
89 views

Is there evidence that vaccine-related blood clots could be due to injection technique?

Recently, Danish health authorities including Denmark's SSI issued new guidelines for intramascular vaccination to be done with aspiration, in case some of the vaccine-induced blood clot cases are due ...
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0answers
65 views

Is there any data on herbal supplements interfering with the efficacy of vaccination?

Here's an excerpt from a paper published in "Journal of Inflammation Research" by Dove Press for a popular and controversial herbal supplement from India: Coronil effectively inhibited the ...
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0answers
11 views

Bradyarrhythmia & Bradycardia- same or different?

Do Bradyarrhythmia & Bradycardia denote same abnormality or are there some finer differences between the two?? In text provided by my college, it appears bradycardia condition comes under the ...
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0answers
33 views

Are masks helping spread corona virus?

I came across a research that stated, the most disease ridden place in a toilet is actually the air dryer. The hot and moist microcosm that develops around the dryer due to frequent use helps in ...
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0answers
5 views

What happens when a Rh+ mother pregnant with Rh- baby?

I know that when a Rh- mother pregnant with Rh+ baby there might be a complication during the pregnancy, if the mother is sensitized to Rh+. However, I have not found out any resource that states what ...
0
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1answer
20 views

On Td/Tdap Vaccine requirement

I'm given a vaccine requirement form. I have problem understanding the following requirement: Td/Tdap: YES, substitute 1-time dose of Tdap for Td booster; then boost with Td every 10 years On my ...
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0answers
48 views

Where can I find up-to-date information on the vaccine efficacy for different COVID-19 variants and the main COVID-19 vaccines?

I have a list (sent to me by email). I wonder if there exists some up-to-date information on the vaccine efficacy for different COVID-19 variants and the main COVID-19 vaccines (e.g., similar to COVID-...
2
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1answer
36 views

what does 95% effectivenes mean for vaccines (covid) [duplicate]

Often we see in news they say AstraZeneca is 95% effective, while Chinese vaccine is 50%. I have question how to interpret these numbers. Does this mean that if you get vaccinated with AstraZeneca ...
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0answers
17 views

What are the “theoretical risks” of COVID vaccines in mothers

In Germany, there is no official endorsement of COVID mRNA vaccines for pregnant women and nursing mothers due to a lack of study data. Still, professional societies generally recommend considering ...
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0answers
15 views

What happens after removing a schwannoma tumor?

When a patient is diagnosed with a huge trigeminal schwannoma for example and undergoes a surgery to remove it, what happens exactly to the area where the tumor was growing? Since schwannomas grow in ...

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