• Home
  • Forum
  • Dictionary
  • Articles
  • Tutorials
  • Books
  • Directory
  • Share your work

Dictionary » P » P-r intervals

P-r intervals

P-R interval

In the electrocardiogram, the time elapsing between the beginning of the p wave and the beginning of the next qRS complex; it corresponds to the a-c interval of the venous pulse and is normally 0.12-0.20 sec.

Synonym: p-Q interval.

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum


1. 360 beats per 7 minutes is how many beats per one minute? 2. if there is x beats in one minute and per each beat 24 intervals were taken, how long did it take between each intervals?

See entire post
by JackBean
Thu Dec 26, 2013 5:53 pm
Forum: Human Biology
Topic: biology
Replies: 8
Views: 1469


... to assess Michael’s heart function. The data from the images was collected over 360 heart beats in 7 minutes with each beat divided into 24 intervals for analysis. The end diastolic radioactivity detected from the left ventricle was 6400 counts and the end systolic was 3600 counts. Upon ...

See entire post
by zak
Wed Dec 18, 2013 11:20 am
Forum: Human Biology
Topic: biology
Replies: 8
Views: 1469

Cycloheximide-increase in protein levels???

... life of my protein of interest, I treated my cells with cycloheximide(CHX), which is an eukaryotic translation inhibitor, through different time intervals. Then, I looked at the protein amounts by Western Blot. However, I saw that as I left them in medium containing CHX more, the levels of my ...

See entire post
by sciencemakerinthelab
Sun Jan 27, 2013 2:56 pm
Forum: General Discussion
Topic: Cycloheximide-increase in protein levels???
Replies: 1
Views: 1664

Why do neurones only have one axon?

... yes because neurones are insulated ( some are anyway) with a substance called myelin this enables very fast transmission and has gaps at regular intervals called nodes of ranvier where diffusion of ions can occur. If we had lots of axons there would be loads of gaps and the action potentials ...

See entire post
by Drredfrizzle
Sun Nov 11, 2012 7:46 pm
Forum: Human Biology
Topic: Why do neurones only have one axon?
Replies: 1
Views: 1984

Idea to determine order of assembly of spliceosome

... the size of my marked RNA 5. Add RNA to mammalian cell extracts, e.g. HeLa 6. While the RNA undergoes maturing, I collect samples with regular intervals of time 7. Use phenol to extract proteins from each sample 8. Run MALDI-MS starting with 0 minutes sample. After that, continue with the next ...

See entire post
by nukeman
Mon May 28, 2012 7:48 pm
Forum: Molecular Biology
Topic: Idea to determine order of assembly of spliceosome
Replies: 15
Views: 5961
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 4,902 times. 
What links here | Related changes | Permanent link