52-page e-book (immediate download)
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What it is:

Coagulation can be confusing, to say the least. This guide demystifies coag with easy-to-understand descriptions of clotting and anti-clotting, an explanation of laboratory tests, and succinct but complete reviews of bleeding disorders (like von Willebrand disease) and thrombotic disorders (like factor V Leiden). It’s short and complete, and it has tons of helpful mnemonics, charts and tables.


What students have said:

  • “I’ve read it. I no longer hate coag!!”
  • “I really liked the coag book, very easy to understand. I graduated in August and now am working in a hospital with a surgery/trauma team. I am using the book so I can understand the clotting system in general as well as how the meds like heparin and lovenox work since we use them on every pt. Thank you so much for sharing your knowledge! It truly has helped me understand things I thought I would never get!”
  • “I am reading your “Clot or Bleed”. I wish to know English better to express my gratitude for such a precious gift.”
  • “Everything about it is great and convenient.”
  • “The explanations are very helpful and succint…brilliant.”
  • “It’s perfect for students.”
  • “Your books helped me very much, especially, “Clot or Bleed”. It is a lot easier to remember the material if it is in lack of a better word, “dumbed” down for you.”
  • “It expresses your unquestionable professional talent and your delicious sense of humour.”


Having trouble with coagulation?

You’re not alone. Coagulation is one of those topics that everyone, it seems, finds troublesome. The cascade alone, with all its Roman numerals and seemingly random pathways, is enough to make you want to throw a heavy object (where’s Robbins?). As one student put it, “I don’t know anyone who doesn’t hate coag.” What’s worse is that there wasn’t a book with a simple, understandable, succinct explanation of coag anywhere. Which led to the creation of this Painless Guide to Coag.


Here’s what the guide covers:

  • The basics of clotting: platelet plug formation and the dreaded coagulation cascade
  • The basics of anti-clotting: natural anticoagulants and fibrinolytics
  • Laboratory tests: common (or otherwise important) platelet and coagulation tests
  • Bleeding disorders (von Willebrand disease, hemophilia, hereditary platelet disorders, DIC, ITP, TTP, HUS, and others)
  • Thrombotic disorders (factor V Leiden, ATIII deficiency, protein C and S deficiencies, antiphospholipid antibody syndrome, and others)


Here’s why it’s painless:

  • It’s short (so you don’t waste time sorting out what’s important)
  • It’s complete (so you don’t have to use other sources to figure things out)
  • It’s easy to understand (no complicated text that you need to re-read three times)
  • There are lots of helpful mnemonics (including a bizarre, sexy one for the coagulation cascade)
  • It will make you look good (it gives answers to the questions most commonly asked by professors and attendings)
  • There are nice, clean charts and tables (because tables are much easier to remember than paragraphs of text)
  • It’s illustrated with explanatory photos (so you have more than just Roman numerals to picture in your brain)
  • It’s got everything you need to know to really understand coag – minus the anxiety and torture.


Clot or Bleed: A Painless Guide for People Who Hate Coag

52 page ebook (immediate download)


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26 Responses to Clot or Bleed

  1. azzam ismael mohammed says:


  2. saleh says:

    will be very helpful

  3. Nada Suvajdzic Vukovic says:

    I like it very muchr: in my everyday work and to teach

  4. Nada Suvajdzic Vukovic says:

    Thanks, will be very helpful.

  5. DDD says:

    WHEN? Soon WE Hope!

  6. DianaAHS says:

    I’m dying to get this! Starting hematology in 3 weeks! 🙁

  7. Jose says:

    Thank you!

  8. maria-stella anastasopoulou says:

    Just fouind this site and it is really good. I am looking forward to reading from it. Medical student

  9. Veronica says:

    oh my goodness! i sooooo could use this! please update soon! thank you so much for your help!!!

  10. novocaine says:

    As sooooooon as possible pls !! =)

  11. drkj says:

    Will there be a Kindle edition? Thanks

  12. admin says:

    Yes – most likely – and an iBooks version too. It takes a while to get the books through iBooks and Amazon – so I’m not sure when they will be available.

  13. Rob says:

    I love this site, I’ve been reading everything from here with a hunger since I found it over a year ago. I’ve bought every guide and they definitely contributed to my studies before passing my MLT certification exam.

  14. mohamad reza says:


  15. Musa Jumaa Hussein says:

    I am one of the Coag hater. Can I find this book in a book shop in the UK

  16. Kristine says:

    Hi Musa –
    You’re not alone! There are plenty of other coag haters out there (they haven’t read my book 🙂 ). The book is only available online; we don’t have a paper version yet. You can certainly order from the UK using PayPal or Google wallet.

  17. felicia says:


  18. Sandra Osuna says:

    HI I will be instructing a coagulation class for the fall semester at EPCC (El Paso Community College) in Texas and i would like for my students to buy the book but my dean is asking for the ISBN number and i do not seem to find it. If you can please send me the information needed for the school and/or student to buy the book I would really appreciate it. Thank you

  19. Fatima says:

    Amazing! I bought via iBook ,now I am so excited I’m speechless

  20. Kristine says:

    Thanks Fatima! Glad you like it 🙂

  21. Andrew says:

    Hi There!!

    I bought this book a while ago and loved it! I can’t find the copy I printed. Is there any way to download it again?


  22. Kristine says:

    Sure! I just sent you a new email with a link to the book. Glad you like it!

  23. Rach says:

    Is this good for the UK market too?

  24. Kristine says:


  25. Andrea C. says:

    Hello there! I’d like to buy the book but i need some additional info. Since i’m not familiar with e-books: do i need a specific program in order read it on PC? Is it possible to print it? ( for personal use of course)

  26. Kristine says:

    Hi Andrea! No – you don’t need a special program to read the Clot or Bleed ebook (or any of our other ebooks). They are in pdf format, so any pdf preview program, or pdf reader program (like Adobe Acrobat) will do just fine. It’s preferable to use Adobe Acrobat, or some other pdf reading program, because there are some features (like a bookmarked table of contents, which will take you to the correct section with a single click) that won’t work in a preview program. But really, anything will work fine. Also, yes, it is possible to print the book. Some people like a paper copy better, and printing it works just fine 🙂 Let me know if you have any other questions.

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