# Hatzolah and Shidduchim

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• #1007306
writersoul
Participant

Health: Oh no… I can’t stand math. I’m not bad at it, but it’s definitely not my thing.

(I mean, as long as I’m not doing calculus all day… I can definitely handle algebra, geometry, etc on a regular basis, but let’s just say there’s a reason why I’m not becoming an engineer or mathematician.)

kayla: I was wondering that as well. For me (if I don’t become a Hatzolah [or female equivalent when someone starts one] member myself), I think that it would be a plus in a guy.

I can see, though, that some people might not like the disruption it can cause in the home, the constant dedication, etc- it might be a job full of zechuyos, but it can also disrupt the family timetable.

#1007307
Health
Participant

writersoul -“Health: Oh no… I can’t stand math. I’m not bad at it, but it’s definitely not my thing.”

This is an example of a medical math problem:

“Practice Problem 1:

ABG’s: pH 7.31 PCO2 55 mm Hg HCO3- 28 mEq/L

Normal values for ABG’s:

pH range 7.35 – 7.45

carbon dioxide partial pressure, 35 – 45 mm Hg

bicarbonate, 24 – 28 mEq/L”

#1007308
writersoul
Participant

Health: Assuming I’m reading this right, that means that the pH is too low, the PCO2 is too high, and the HCO3 is on the high end of normal. I just don’t see the math problem.

Ah, you know what, I’ll just go to college first :).

#1007309
Ctrl Alt Del
Participant

Nu? So a partially compensated resp acidosis.

#1007310
Health
Participant

writersoul -“Health: Assuming I’m reading this right, that means that the pH is too low, the PCO2 is too high, and the HCO3 is on the high end of normal. I just don’t see the math problem.

Ah, you know what, I’ll just go to college first :).”

Sorry; I was just showing the problem, not asking any questions.

Here are the questions:

“Name the disorder:

Respiratory acidosis (with or without renal compensation)

Respiratory alkalosis (with or without renal compensation)

Metabolic acidosis (with or without respiratory compensation)

Metabolic alkalosis (with or without respiratory compensation)

Suggest a possible cause. For example, a cause of chronic respiratory acidosis is emphysema.”

#1007311
Health
Participant

Ctrl Alt Del -“Nu? So a partially compensated resp acidosis.”

Sorry; you are wrong. I got this problem out of a book.

Answer:

“pH is too low – acidosis; PCO2 is too high, would cause acidosis or correct alkalosis; HCO3- is normal, neither causing nor correcting imbalance

high PCO2 is correllated with low pH, which is consistent with patient’s report

because PCO2 is causing the problem, this is respiratory acidosis; because bicarbonate is normal, there is no compensation

possible cause: cardiac arrest”

#1007312
Ctrl Alt Del
Participant

Sorry Health, you are incorrect. For the purposes of ABG interpretation normal hco3 is 22 to 24. Sometimes you can use 26. No one uses 28, ever. If they do, they are wrong too. Aside from this, any movement of hco3 will be an attempt to correct the acidosis and would be considered “partial” compensation. The fact it has moved out of norm means its a definite compensation but only considered partial because the pH remains acidotic.

See: Clinical Application of Blood Gases, Shapiro, Harrison, Cane, Templin. (THE final word on all things ABG related (even the mention of “the Shapiro book” inspires awe)

Principles of Anatomy and Physiology Tortora, Grabowski.

Clinical Application of mechanical Ventilation, Chang.

These are references I value somewhat more than Tyler Junior College.

#1007313
Health
Participant

Ctrl Alt Del -“Sorry Health, you are incorrect. For the purposes of ABG interpretation normal hco3 is 22 to 24. Sometimes you can use 26. No one uses 28, ever. If they do, they are wrong too.

See: Clinical Application of Blood Gases, Shapiro, Harrison, Cane, Templin. (THE final word on all things ABG related (even the mention of “the Shapiro book” inspires awe)”

“These are references I value somewhat more than Tyler Junior College.”

I do too! I just picked them because that’s what came out on Yahoo search.

As far as what you wrote, Tyler is right and the books you quoted are wrong.

Did you ever here of a website called Lab Tests Online?

This is the site of the AACC!

Here is their reference range:

“CO2

Age Conventional Units SI Units

Adult 23-29 mEq/L 23-29 mmol/L

>60 years 23-31 mEq/L 23-31 mmol/L

>90 years 20-29 mEq/L 20-29 mmol/L

from Tietz Textbook of Clinical Chemistry and Molecular Diagnostics. Burtis CA, Ashwood ER, Bruns DE, eds. 5th edition, St. Louis: Elsevier Saunders; 2011.”

There is a possibilty that your book(s) developed a different

reference range than Tietz’s.

#1007314
Ctrl Alt Del
Participant

We shall have to agree to disagree.

#1007315

Regardless, it still doesn’t look like a “math problem” per se…

#1007316
Health
Participant

jewishfeminist02 -“Regardless, it still doesn’t look like a “math problem” per se…”

How about this one?

“A-a O2 Gradient = [ (FiO2) * (Atmospheric Pressure – H2O Pressure) – (PaCO2/0.8) ] – PaO2 from ABG

Normal Gradient Estimate = (Age/4) + 4″

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