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[R] Right tailed test. BETTER = Rt. tail(better)

What is a Right Tailed Test?

A right tailed test (sometimes called an upper test) is where your hypothesis statement contains a greater than (>) symbol. In other words, the inequality points to the right. For example, you might be comparing the life of batteries before and after a manufacturing change. If you want to know if the battery life is greater than the original (let’s say 90 hours), your hypothesis statements might be:
Null hypothesis: No change (H0 = 90).
Alternate hypothesis: Battery life has increased (H1) > 90.
The important factor here is that the alternate hypothesis(H1) determines if you have a right tailed test, not the null hypothesis.

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[CK] STEMI_EKG learning.

892 × 548 저작권 보호를 받는 이미지일 수 있습니다.    자세히 알아보기 ECG - Common STEMI Mimics | Grays Integrative Physiology Grays Integrative Physiology Mimics will not produce reciprocal changes. If RCs in related leads, should consider it a STEMI. 방문 추가 컬렉션 공유
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[CK] LVAD parameter review. [ ] tree !!

Vital(BP): hypo, hyper. PEx(JVP): volume status -------------------------------- 1st. PI(3-7)= contractility and volume status(high volume only cause high PI) overload = high PI. low volume = low PI. (=low volume = low preload = RV failure, arrhythmia same thing) HTN = low PI low BP = low PI. (only overload cause high PI = with high preload, but otherwise, BP, volume => cause low PI) 2nd. Flow(4-6) overload, 3rd. Power(surge = only thrombus, 4-6) hypotension route (BP) => high VADFL = vasodilator, sepsis = R/O => low VADFL(most common)  with high JVP => RV failure, PE/tamponade, pneumothorax                                                                               , then adjust LVAD(higher)                ...
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EGD, endoscopy, Colonoscopy prep.

EGD:  8hr = clear liquid diet(technically up to 2 hour, but preferred 4 hours prior to procedure)  4hr = medication with water  2hr = strict npo(nothing) Colonoscopy  8hr = no food at all but water is ok.  2hr = no liquid neither   Patients typically take no food by mouth for four to eight hours prior to the procedure (sometimes longer if there is known or suspected delayed gastric emptying) and no liquids (other than sips with medications) for two hours   Enteroscopy   Patients should fast after midnight the evening prior to the examination to allow time for food residue to clear the small bowel. In addition, patients undergoing retrograde examinations should receive a bowel preparation to cleanse the colon. cf) ASA- sedation protocol(procedure)     The American Society for Anesthesiology (ASA) guidelines state that prior to a procedure, patients should fast a minimum of two hours following clear liquid ingestion or six ...
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