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Laboratory Testing

Before a doctor can diagnose a patient, laboratory tests such as blood work are required.

8,512 Questions

Where can you buy E. coli bacteria?

You can buy bacteria (and also yeasts, molds, and viruses) from institutions called type culture collections and from some commercial sources that supply high school and university biology classes. Here are some sources for the USA:

ATCC (American Type Culture Collection) http://www.atcc.org This is the authoritative source, but it serves research institutions predominantly and is pretty expensive. Supply of anything to individuals is restricted.

Presque Isle Cultures http://www.picultures.com has a small collection and sells non-pathogenic strains also to individuals.

Carolina Biological Supply also sells a few bacteria including E. coli:

http://www.carolina.com/product/escherichia+coli+b%2C+living.do?keyword=coli&sortby=bestMatches

What blood type can a baby have if both parents have type A blood?

If both parents have type A blood then the baby should have type A blood.

or type O blood

What are the chances of an O negative father and A positive mother have a child?

The chance they will have a child is most likely high unless they use birth control. If the mother were rh-negative, that can sometimes cause complications, though it's usually manageable.

Are rambutan seeds poisonous?

like many other single seed fruits, accumulation of metals and other compounds is likely, I would not fear eating one mistakenly, but wouldn't treat them as almonds

What is J point in ECG?

From American Heart Association

www.circ.ahajournals.org/cgi/content/full/98/18/1937

The J point in the ECG is the point where the QRS complex joins the ST segment. It represents the approximate end of depolarization and the beginning of repolarization as determined by the surface ECG. There is an overlap of 10 milliseconds. The J point may deviate from the baseline in early repolarization, epicardial or endocardial ischemia or injury, pericarditis, right or left bundle-branch block, right or left ventricular hypertrophy, or digitalis effect. The term J deflection has been used to designate the formation of the wave produced when there is a large, prominent deviation of the J point from the baseline. The J deflection has been called many names, including camel-hump sign, late delta wave, J-point wave, and Osborn wave.

The prominent J deflection attributed to hypothermia was first reported in 1938 by Tomaszewski. The wave was observed by others, including Kossmann,Grosse-Brockhoff and Schoedel, Bigelow et al, Juvenelle et al, and Osborn.

Over the years, the unusual wave increasingly has been called an Osborn wave (Figure 4B ), probably because of Osborn's excellent article written in 1953. Clinicians labeled the deflection an Osborn wave in honor of Osborn, one of the first American Heart Association research fellows.

Much has been written about the abnormal J deflection observed in patients with hypercalcemia. Other conditions have been reported to cause an abnormal J deflection, including brain injury, subarachnoid hemorrhage, damage to sympathetic nerves in the neck, and cardiopulmonary arrest from oversedation. Brugada and Brugada reported patients with right bundle-branch block who exhibited noncoronary ST-segment elevation in the right precordial leads and experienced ventricular tachycardia or ventricular fibrillation. A controversy now surrounds this condition because not all of the tracings show classic right bundle-branch block, and some patients might have arrhythmogenic right ventricular dysplasia.

All J-wave deflections do not look alike. Some are merely elevations of ST segments in leads V1 and V2, whereas others are of the spike-and-dome variety. This leads to the conclusion that different mechanisms may be responsible for the size and shape of J-wave deflections.

What blood work do you have to fast for?

Most commonly are blood glucose levels and metabolic tests related to glucose level, and nuclear medicine cardiac studies.

What is international normalized ratio?

The international normalised (UK spelling) ratio is a laboratory test that measures the amount of time it takes for blood to clot and compares it to an average. People on blood thinning drugs (such as Warfarin) would normally have this test done on a fairly regular basis. Check out http://www.heartrhythmfoundation.org/a-fib/INR_FINAL.pdf for more ino.

Is blood type o positive compatible with b negative?

The short answer is no. There are 3 blood proteans; the A protean, the B protean, and the RH protean. A person who gets blood with a protean not normally found in their body will have real problems. O blood is simply a way of saying that the blood lacks both A and B proteans. The - or + part of a blood type is just a way of saying if the RH protean is found or not. (+ if it is found - if not.) If a person with O+ blood gets b- blood they will get sick because the B protean will be attacked by the patient's body. (The body can't handle the foreign protean.) If a person with b- blood gets O+ blood they will get sick because the RH protean will be attacked by the patient's body. (Again, the body can handle the foreign protean.)

What is a U E blood test testing for?

A UE test refers to a blood test that checks Urea and Electrolytes. It is often ordered in patients who are generally unwell to screen for kidney failure and dehydration.

The test involves checking the blood levels of sodium, potassium, bicarbonate, urea, creatinine and often glucose. The results are only clinical signs and don't provide a definitive diagnosis because each finding can have several different causes. They can, however, point to a possible reason for the unwellness.

Which organ in the body is damaged by high levels of cholesterol in the blood?

the heart wiuld probably be one of the most effected because the chloesterol can block the arteries and deminish blood flow

Does CBC broadcast in the US?

no i does not you foools are you idiots in Florida are awfull

no i does not you foools are you idiots in Florida are awfull

no i does not you foools are you idiots in Florida are awfull

no i does not you foools are you idiots in Florida are awfull

no i does not you foools are you idiots in Florida are awfull

Why are there different colors of plasma when you donate?

Healthy plasma is a clear straw color. Birth control, jaundice and medications can make it greenish. To much far in a persons diet can make its orange or opaque

Will two negative A blood type parents always have an A negative child?

Not necessarily. It could result in a O neg baby depending on their genotypes.