27 Questions 81 Answers 0 Followers
Questions related from Michael Nordine
It is reasonable to assume that many of you have encountered this problem in your respective careers. However, the purpose of this query is to request advice. In the month of December 2023, I...
15 May 2025 5,497 4 View
Hello. I need to perform a logistics regression for a small sample size (n=20) to determine predictive factors for an event. The only problem is that a few data points skew the whole sample,...
26 March 2023 4,651 5 View
Does anyone have any objective criteria (either from publications or technical reports) detailing what typical +Gz loads and durations are for current manned space craft (Orion, Dragon, Starship...
16 November 2022 5,817 0 View
I have a time series analysis, in which I have determined a mean per each phase. When I run an ANOVA Test with repeated measures comparing the phases, I receive a non significant result, despite a...
01 February 2021 3,234 6 View
In reporting systemic vascular resistance measurements, one can use mmHg/min/L, dyn/sec/cm5, or pascals per second/cm2. Is there a general consensus from the field of applied physiology or medical...
18 September 2017 5,008 4 View
There are a few papers that discuss what the Compensatory reserve index (CRI) is, and its relevance during simulated hemorrhage. These papers only elude that the CRI is calculated using a unique...
26 November 2016 2,357 2 View
It is my understanding that, regardless of the formula used, that RMR is 15% higher than BMR. So, theoretically, if one had BMR's from a large sample (humans), and just multiplied by 1.15, then...
19 September 2016 7,136 3 View
I am attempting to track down reliable data concerning BMI/BSA (anthropometrics) of the German population. So far, my search has not revealed any optimal data. I would be interested in Data from...
17 August 2016 9,066 1 View
We are currently trying to implement filters for hemodynamic data collected from a centrifuge run with human subjects. Given this, we are looking for expert opinions on what are the acceptable...
24 February 2016 3,792 1 View
With a high clinical suspicion of pyelonephritis (costa-vertebral pain, fever, chills, dysuria), a urinalysis and urine cultures are obtained, in addition to other diagnostic test. The urinalysis...
29 December 2015 8,650 15 View
At what point of ±% resting heart rate would one define as significant increase/decrease in heart rate. For example, if one had a resting heart rate of 60 bpm, would an increase to 75 BPM be...
10 November 2015 1,879 11 View
By which mechanism of Virchows triad leads to a hyper-coaguable state in ice hockey players?
11 May 2015 3,202 5 View
I am using a Polar bluetooth H7 with a link up to Polar beat, which works without problems in dry conditions. Once the sensor is immersed in water, a signal interuption occurs, and heart rate...
10 May 2015 7,570 4 View
Looking to find normal ranges for carotic flow velocities, via dopller ultrasound.
04 May 2015 8,637 4 View
Is the higher incidence of upper extremity CRPS over lower extremity CRPS due to a greater number of autonomic nerves fibers in the UE, or due to some other anatomical/physiological factor?
07 February 2015 9,492 1 View
I have Sp02% and Fi02%, and I want to calculate a Pa02/Fi02 quotient. Is it possible to calculate a Pa02 from Sp02%? If yes, does anyone have any reliable formulas?
20 January 2015 9,027 21 View
A common problem encountered while performing water immersion research, is that water is not friendly to monitoring equipment such as EKG, heart rate, blood pressure, Sp02% etc. What methods of...
02 December 2014 8,610 6 View
Has anyone any experience/advice for measuring central/distal hemoglobin via NIRS (NIRO-200, Hamamatsu Photonics) during water immersion? Will the electrodes function underwater? Will immersion...
17 October 2014 3,164 16 View
Does anyone have any article recommendations that describe the distribution of autonomic nerve fibers, particularly sympathetic fibers, in the peripheral limbs? And as a further question, are...
31 July 2014 2,638 6 View
If one performs a pearson correlation test with the removal of outliers, the probability of sig. correlations increases. However, how does one report this? Does one report that the test with...
09 June 2014 9,806 11 View
From a evolutionary standpoint, vertebrates, such as humans, developed under standard gravity. However, the cardiovascular systems of humans and primates can rapidly adapt to hypergravitational...
07 June 2014 3,295 5 View
Given that there are differences in cortisol production regarding gender (women produce more), would this also equate to differing ratios regarding catecholamines as well? Could this be an...
16 May 2014 5,897 5 View
Im wondering if cooperative games could be or have been deployed to people in remote areas in order to promote group cohesion, and prevent group disharmony. If anyone has any experience with this,...
16 May 2014 4,894 5 View
While recording skin temperatures from the medial anterior thigh/upper arm, increases in skin temperature were associated with orthostatic instability during LBNP exposure. How much pooled blood...
03 April 2014 1,441 19 View
Is there any specific biomraker or serum test other than unspecific CRP that is noticeable in the serum during a measles infection?
10 February 2014 7,815 3 View
It would be interesting to know if other species are prone to Diabetes Typ 1 for example.
26 January 2014 728 4 View
Also, aside form being a major organ system in serum immunology, as well as a storage room of thrombocytes, does the spleen have the capacity to provide extra volume and/or erythrocytes to the...
16 January 2014 7,268 10 View
