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nice tested good sylvania 5932 rugged 6l6g f old ham radio tube audio amp
$8.50
quality

6 nos st sylvania 26 radio tubes type 26 tung sol cunn nu test good on tv 7
$36.88
quality

antique ceco 226 vacuum tube bakelite base not tested used sticker says no good
$1.11
quality

tested good general electric 83 v rectifier old ham radio tube power audio amp
$0.99
quality

1 good 1 weak sylvania 6b4g radio tubes type 6b4g tested 68 38 34 38 tv7 ge
$33.88
quality

type 84 6z4 rectifier tubes sylvania ge tested strong good balance lot of 2
$19.20
quality

4 tested good 0d3 vr voltage regulator old ham radio tube power supply audio amp
$1.50
quality

ux2015 2uv201 oh tested good on my dynamic conductance eico
$50.00
quality

nice tested good rca ux 200a f old ham radio tube wireless era receiver tuner
$0.99
quality

generic unmarked tested good ux 201a f old ham radio tube wireless receiver amp
$0.99
quality

pair 1930s tested good 59 f old ham radio tube receiver transmitter audio amp
$1.29
quality

8 new in box type 0a2 vacuum tubes and 2 used all test good on tv 10 tester
$13.00
quality

7 good rca uv 201a radio tubes cunningham type c 301a tested good on tv7
$89.88
quality

1 9 tested good rca 80 radio rectifier tubes type 80 cunn philco sylvania nu ++
$4.99
quality

3 good st rca 10 radio tubes type ux 210 wards airline jan rca tv7 tested good
$208.88
quality

4 good st rca 45 radio tubes type ux 245 raytheon nu cunningham tv7 tested good
$98.88
quality

7 good general electric 6a3 radio tubes type 6a3 jan sylvania jenco nu tv 7 test
$338.88
quality

2 good perryman mesh plate 80 radio tubes type ux 280 ok brand tv 7 tested good
$208.88
quality

12 brass base tipped glass rca uv 201a radio tubes type 01a tested good on tv7
$424.88
quality

nice tested good german rca 6dj8 ecc88 old ham radio tube microphone audio amp
$0.99
quality

1 nos amperex 6cd7 radio eye tube type em34 tested good on tv 7 made in holland
$64.88
quality

matching pair zenith 6v6g radio tube s test v good black dial console walton
$44.00
quality

4 good xf2 mullard made el34 radio tubes type 6ca7 tv 7 tested good 6 tubes tot
$298.88
quality

10 tested good military 6c4 triode f old ham radio tube receiver audio amp
$1.50
quality

2 6al5 vacuum tubes tested good
$3.00
quality

10 x tube lot type 41 vt 48 ph41 er41 tested good amp radio ham
$30.00
quality

vintage general electric l 915 w speaker 14 3 8 tested working good cone
$75.00
quality

vintage rca victor solid state transistor radio model rgc29w tested
$35.95
quality

rare wheelco instruments ck 5608a vacuum tube testing very good
$9.95
quality

lot of 9 of 6fq7 6cg7 vacuum tubes stock vintage tested good
$147.00
quality

6bq5 amperex vacuum tube used old stock vintage tested good
$39.00
quality

raytheon 12sa7 tube tested good
$8.99
quality

rca 6k7 tube tested good
$7.99
quality

vintage nos readrite 0 25 ma panel meter tested good
$29.99
quality

philco 6n7gt vacuum tube black glass tested very good
$10.39
quality

atwater kent audio interstage transformer tests good
$29.99
quality

atwater kent model 20 audio interstage transformer tests good
$29.99
quality

2 used rca radiotron brass base uv 199 radio vacuum tubes test good
$5.00
quality

3 6ca4 tubes ge raytheon test very good on calib tv7 d tester great tubes
$21.50
quality

antique am desk table tube radio unbranded tested works good
$275.00
quality

5 good globe rca radiotron ux 201a radio tubes type 01a tv 7 tested good
$74.88
quality

four antique brass base 201a 01a tubes test good
$9.99
quality

1 28 tested good globe rca ux 201a radio tubes type 01a cunn tung sol sylvania++
$12.99
quality

5 matched globe cunningham cx 301a radio tubes type 01a tv 7 tested good
$74.88
quality

80 tested good rca uy 224 radio tubes type 24a raytheon sylvania cunn nu philco+
$48.88
quality

4 nos used philco 19 radio tubes type 19 rca sylvania tested good 3 nos 1 used
$14.88
quality

2 good rca made 76 radio tubes type 76 tested 60 36 50 36 wards 1 is nos nib
$15.88
quality

2 lot silvertone 12av6 vacuum tube tested good
$4.75
quality

6bc5 vacuum tube tested good
$2.00
quality

vintage nos 21lu8 rca vacuum tube tested good
$9.99
quality

vintage kmart solid state pocket am radio red tested and works good
$19.95
quality

single type 41 tube 41 vt 48 ph41 er41 tested good amp radio ham
$3.50
quality

valvo holland ech81 radio vacuum tube tested good guaranteed
$9.95
quality

7 used 7735 6ge8 vacuum tubes all tested good 2 ge 5 westinghouse
$22.50
quality

lot of 6 of 12au7 used vacuum tubes old stock tested good
$69.00
quality

2e26 tube used tested good
$5.91
quality

5u8 lot of 2 sylvania and a unknown both tested good
$6.99
quality

7a7 tube used tested good
$4.75
quality

1nl5 tube used tested good
$5.75
quality

sylvania 6bl7gt black plate vacuum tubes tested good
$10.39
quality

5 6ag7 amp radio amplifier ham tube all tested good
$9.60
quality

7 6ah6 radio amplifier electronic vacuum tubes all tested very good
$11.99
quality

philco 6bx7gt black plate vacuum tubes tested good
$10.39
quality

2 6j5wgt nos nib 1 6j5gt test very good on calib tv7 d tester 3 total
$20.50
quality

silvertone 12av5 12av5ga tube tested good
$7.16
quality

6n7g philco radio tube tested good s1
$9.00
quality

lot of 4 electron tubes 12au6 mixed brands tested good ge sylvania hitachi s1
$10.00
quality

2 6au5 gt vacuum tube both tested good
$10.39
quality

jan 8020 jan 814 vacuum tubes vintage radio amp part test good 25
$17.99
quality

pair 2 sylvania 5z3 vacuum tubes vintage radio amp valve part test good 24
$9.99
quality

antique vintage radio electron vacuum tube rca 47 amplifier globe tests good
$24.00
quality

1 5r4gy tube rca ge amperex test good usa
$20.00
quality

good testing philco type 45 triode audio amplifier vacuum tube
$39.99
quality

vintage tested working atwater kent type 36 radio chassis sounds good
$200.00
quality

vintage zenith model h500 trans oceanic portable tube radio c1950s tested good
$279.15
quality

antique vintage electron vacuum radio tube national union nu 80 tests good
$19.00
quality

antique vintage electron vacuum radio tube rca 80 tests good
$19.00
quality

antique vintage electron vacuum radio tube cunningham 80 tests good
$19.00
quality

antique vintage electron vacuum radio tube rca radiotron 80 tests good
$19.00
quality

wards airline 93br 715b tuning assembly tested good
$49.99
quality

uac 100 base power supply kit for prc pack sets tested good free shipping
$325.00
quality

7f7 tube used tested good
$7.40
quality

one 6v6gt vintage tube tested very good
$22.39
quality

eight 12bq6 vacuum tubes vintage old hickok 800a tested good to great
$9.00
quality

seven 25bq6 vacuum tubes vintage old hickok 800a tested good to great
$7.00
quality

four 6sn7gtb vacuum tube 6sn7 6sn7gt tested good on hickok 800a
$33.00
quality

zenith model k725 walnut bakelite am fm tube radio deco prop brown tested good
$100.00
quality


5 matched globe cunningham cx 301a radio tubes type 01a tv 7 tested good
$74.88
quality

80 tested good rca uy 224 radio tubes type 24a raytheon sylvania cunn nu philco+
$48.88
quality

5 good globe rca radiotron ux 201a radio tubes type 01a tv 7 tested good
$74.88
quality

michelob beer electric clock light in good working condition vintage tested
$48.95
quality

fight fever viccoh mvs cartridge tested good working
$199.00
quality

windjammers data east mvs cartridge tested good working
$199.00
quality

sengoku 2 snk mvs cartridge tested good working
$299.00
quality

demon front igs pgm 2002 cartridge tested good working
$99.00
quality

alesis ra 100 reference stereo power amplifier tested in good condition
$49.00
quality

baka and test petite nendoroid chibi figures lot of 2 good smile company imp
$65.00
quality

seeburg jukebox 12 speaker from ds can be used other models tested good
$28.99
quality

wms bb2 dongle game software tested good
$450.00
quality

kirin ichiban light up sign beer bar pub tested working good
$39.95
quality

vintage pair ge 5y3gt black plate vacuum tube hickok 539b tested good 5y3
$25.00
quality

field testing station good rum bar sign garage art
$22.00
quality

10 x tube lot type 41 vt 48 ph41 er41 tested good amp radio ham
$30.00
quality

4 good xf2 mullard made el34 radio tubes type 6ca7 tv 7 tested good 6 tubes tot
$298.88
quality

1 nos amperex 6cd7 radio eye tube type em34 tested good on tv 7 made in holland
$64.88
quality

12 brass base tipped glass rca uv 201a radio tubes type 01a tested good on tv7
$424.88
quality

7 good rca uv 201a radio tubes cunningham type c 301a tested good on tv7
$89.88
quality

3 good st rca 10 radio tubes type ux 210 wards airline jan rca tv7 tested good
$208.88
quality

4 good st rca 45 radio tubes type ux 245 raytheon nu cunningham tv7 tested good
$98.88
quality

7 good general electric 6a3 radio tubes type 6a3 jan sylvania jenco nu tv 7 test
$338.88
quality

2 good perryman mesh plate 80 radio tubes type ux 280 ok brand tv 7 tested good
$208.88
quality

six 4bz6 vintage vacuum tube tested on hickok 800a good
$22.00
quality

1998 animated talking santa with list 17in tall gemmy inc tested works good
$38.50
quality

ux2015 2uv201 oh tested good on my dynamic conductance eico
$50.00
quality

4 rectifier tubes 80 tests good on my calib rated tv7 d scores posted
$24.50
quality

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Test Good

Test+Good

Know About Urea Breath Test

A test for diagnosing and identifying the h pylori presence is calles urea breath test. This test uses the radioactive isotope of carbon for detecting the existence of a bacterium.

Urea breath test is a diagnostic procedure which is done to identify the existence of a bacterium called Helicobacter pylori in the stomach. This is a spiral bacterium which is involved in the diseases like peptic ulcer, gastritis and gastric ulcer. This kind of bacteria can convert urea into ammonia and this quality is used in this test. Let us see how it works.

The Helicobacter Pylori or H pylori bacteria, as it is commonly known, can break down the bond existing between urea and a tail of carbon dioxide attached to it. And the carbon dioxide released from this reaction remains in the breath in measured concentration. This is a non-invasive diagnostic test undertaken both before and after the treatment.

In this test, urea capsule is given to the patient to swallow. The capsule contains isotope carbon composition of either radioactive type which is carbon 14 or non-radioactive type which is carbon 13. After ten minutes to half an hour, a breath test detects if the urea has been split or not. If yes, it means that there is urease enzyme used by H pylori for metabolizing urea in the stomach. This marks the presence of bacteria.

There are two ways of this breath test. In first way, a very small dose of urea is administered through the capsule. This capsule is marked with the carbon of radioactive type. In another test method, urea dose is comparatively larger while non radioactive carbon type or carbon 13 is used.

After successful diagnosis, treatment starts. Antibiotics are prescribed to the H Pylori positive patients. These antibiotics depress the bacteria and the acid level in the stomach is also lowered. Upon completion of the medicine course, same test is repeated. If the infection is still there, positive result will be generated. In absence of anymore infection, result will be negative.  There should be a gap of minimum twenty eight days between the completion of antibiotics and the repeat test.

This is a safe test procedure and there is no known risk of undergoing the breath test.

However, urea breath test is not recommended for pregnant women especially the radioactive isotope of carbon is not recommended for them. There are other ways of detecting the presence of H Pylori bacterium in the stomach of a pregnant woman. Blood antibody test or stool antigen test can be done if a pregnant lady is suspected for this bacterial infection.  

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