Coagulation Tests - PT, aPTT, TT, Fibrinogen, Mixing Studies

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  • čas přidán 26. 06. 2020
  • Coagulation Tests (PT, aPTT, TT, Fibrinogen, Mixing Studies,..etc)
    Prothrombin Time (PT/INT),Activated Partial Thromboplastin Time (aPTT),Thrombin Time (TT),diluted Russell Viper Venom Test (dRVVT).
    The coagulation factors are divided into 3 coagulation groups | Fibrinogen group, Prothrombin group, and Contact Group..
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    Platelet count is one of the lab tests used by a doctor or a hematologist to assess whether your platelet number is normal, low (thrombocytopenia) or high (thrombocytosis).
    Bleeding 🩸 time (BT) is another test for platelet function.
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Komentáře • 374

  • @MedicosisPerfectionalis
    @MedicosisPerfectionalis  Před 4 lety +8

    💊 Antibiotics Course: www.medicosisperfectionalis.com/
    🩸 50 Hematology Cases: www.medicosisperfectionalis.com/

    • @ali_ka1009
      @ali_ka1009 Před rokem

      صوتك كريهه ترا

    • @junajulie867
      @junajulie867 Před rokem

      This is good knowledge however the presenter is tooo fast, he is actually rushing through the staff. Please reduce the speed

  • @aneelblassey9403
    @aneelblassey9403 Před 3 lety +430

    Hey man loved your video, just another way I remember aPTT and PT is that you Play Table Tennis inside (intrinsic) and you Play Tennis outside (external).

  • @rachelike09
    @rachelike09 Před 2 lety +31

    Every lecturer should take note! This is how they should be teaching! Detailed, fun yet no nonsense. A very interesting and informative 19-minute video that is way better than a 2-hour university lecture! :)

  • @emilieandersen-ranberg510
    @emilieandersen-ranberg510 Před 10 měsíci +5

    I love this! Finally someone who speaks quick enough to keep me interested and not mentally wandering off to other topics. Great level of detail as well! Thank you very much for this!

  • @aditimodak3370
    @aditimodak3370 Před 3 lety +35

    m a final year student in India this so basic part was not even clear to me the way you taught it is magical

  • @wellasang
    @wellasang Před 3 lety +20

    I love the way you interject mirth in almost all "strategic" points, and appropriate quotes each time. You definitely take off a lot of psychological and emotional load from the way you present this convoluting processes. God bless to you, and keep this up.

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před 3 lety +2

      God bless you too, Catherine!
      I appreciate you so much!

    • @annawright4545
      @annawright4545 Před rokem

      It helps tremendously with hooking the memory up at the right place. It is a virtuous-work.

  • @andrewtupua4039
    @andrewtupua4039 Před 2 lety +3

    About to start my first job in the lab. Your videos have been the best and the most fun to watch. Never thought that learning could be so fun and easy. Take this sub, you dirty professor!

  • @khooalh
    @khooalh Před 3 lety +18

    love the quotes that in middle of video , it gives impression of your knowledge spectrum ماشاءالله

  • @lebocarolinenkosi5533
    @lebocarolinenkosi5533 Před 3 lety +4

    No words to express how much I love your videos‼ so easy to understand. Thank you.

  • @NuclearMedicine070
    @NuclearMedicine070 Před 3 lety +2

    When I wake up in the morning,I just watch your videos! What a simple and clear explanation...!!!

  • @theresaf3688
    @theresaf3688 Před 2 lety +2

    Thank you so much. When I start working I’m totally donating to your patreon. You deserve it

  • @Anaranjado
    @Anaranjado Před 2 lety +6

    You make problem-based learning sessions so much easier for me and my group; our proctor/professor goes so quickly through the tests that we never get a good explanation for what they actually mean. Thank you for being my online professor!

  • @adredwi7812
    @adredwi7812 Před 2 lety +4

    Awesome note explanation and really appreciate all those references and jokes. Found your video while searching for DIC in Covid-19 patients.
    Keep up the great work.

  • @MohamedEmad-bw4un
    @MohamedEmad-bw4un Před 3 lety +1

    i love this video i finally understand the difference plus u solved the quiz in beginning in a way that makes it easier to remember

  • @uc-anhtran-le5231
    @uc-anhtran-le5231 Před 2 lety +1

    the funniest medical youtuber I've ever seen haha, thank you so much

  • @rumeysaeed1
    @rumeysaeed1 Před 4 lety +9

    GOD!!! This saved my life. THANKS a million!!

  • @fizzaiqbal8898
    @fizzaiqbal8898 Před 4 lety +4

    This made my concepts crystal clear. Thanks infinity.🤗

  • @mariaredkozubova6301
    @mariaredkozubova6301 Před rokem

    Great video! Just a note, the Pro time usually is not prolonged with therapeutic levels of heparin because the reagent contains a heparin neutralizing agent.
    Another side note is when you were describing drvvt testing, you mentioned patient's serum, but we still use plasma! (The blue top)

  • @nisreenalgrni3635
    @nisreenalgrni3635 Před rokem +2

    احسك عربي مدري ليه؟
    لو كنت عربي حقيقةً انا فخورررة ان عندنا واحد مثلك♥️♥️♥️♥️

  • @ghaziaraheem4177
    @ghaziaraheem4177 Před rokem

    you are a Gem!
    Thank you so so so much!
    Feeling confidence hearing your voice, its like- I can do it when you start teaching!

  • @annstewart4542
    @annstewart4542 Před 4 lety +3

    At my pace. Thank you. Get bored listening to others who are slow in delivering lesson.

  • @MedicosisPerfectionalis

    📝 Download my handwritten notes: www.medicosisperfectionalis.com/

  • @mbbseg382
    @mbbseg382 Před 3 lety

    Just I typed Blood coagulation tests..
    U tube take me in the magical world of medicine..😍❤️📖👨🏻‍⚕️👩🏻‍⚕️
    Love from India .🙏🏻😷

  • @merithoma1536
    @merithoma1536 Před 3 lety +1

    randomly found your videos and god I needed this 4 days before clinical chemistry exam xD god bless you

  • @whmwjade
    @whmwjade Před 3 lety +3

    Love this video, thanks for saving me from tomorrow's exam!

  • @manarsmaan2624
    @manarsmaan2624 Před 2 lety +1

    Highly organized medical ideas. Thank you great Doctor . I like you sentence " where medicine make perfect sense " .

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před 2 lety +1

      Thank you for your continuous encouragement!

    • @manarsmaan2624
      @manarsmaan2624 Před 2 lety

      @@MedicosisPerfectionalis have a blessed Thanksgiving full of health, joy and peace .to you and to your family.

  • @sobich9787
    @sobich9787 Před 2 lety +4

    Best lecture the which I enjoyed and learned at the same time your teaching methadology is superb bro ❤️ wanna see millions of subscribers for this channel

  • @annawright4545
    @annawright4545 Před rokem +1

    Dear M.P. it was awesome, like always. I had one last thought at the end: "Rolls-Royce?... it might feel like that from behind the wheel (for you) but surely it feels a Lambo Diablo from the passenger's seat." 😊 Special thanks for the warfarin info - on the platelets.

  • @Koomson96
    @Koomson96 Před 3 lety +3

    I love you so much! When I graduate and start working I am going to donate a large sum of money.

  • @hmh2237
    @hmh2237 Před 2 lety +1

    love all of your videos! you are a life saver!

  • @MMagicMe
    @MMagicMe Před rokem

    Great video! I have a question. If you are kind enough to answer i would really apreaciate it! Why it is easier to track heparin via
    PTT and warfarin via PTT?

  • @surandiwadumesthri8729
    @surandiwadumesthri8729 Před 3 lety +2

    Excellent! No words to say thank you !!!

  • @stephenlentsa7479
    @stephenlentsa7479 Před 2 lety +2

    Best informative and funniest 19 mins of my life during stressful exam times 😅😂😂

  • @Daniel-iy1ed
    @Daniel-iy1ed Před 2 lety

    You are a legend 🤩 I enjoyed and learned at the same time 😊

  • @abdelrahmanmahmoud7331

    Thank you for these beautiful videos they really help. I have a question, what is the 'partial thromboplastin" why is the test that measures the intrinsic pathway called activated partial thromboplastin test while thromboplastin is the key factor in the intrinsic pathway?!!

  • @abdulazizahmed1997
    @abdulazizahmed1997 Před 2 lety +1

    i wish i knew your channel while i was studying
    now am an intern and am getting a huge benefit from your channel

  • @denitsaangelova.
    @denitsaangelova. Před 4 lety +4

    I love how simple you make it for all of us!

  • @nonaana3762
    @nonaana3762 Před 3 lety

    شكراً لك♥️ شرح ممتاز ♥️
    Thanks, Excellent explanation

  • @mezomoza7
    @mezomoza7 Před 4 měsíci +1

    As a fellow Egyptian, I am proud of you and your work ❤

  • @sunshineedma6611
    @sunshineedma6611 Před 2 lety

    Thank you. You just made it so simple and easy to understand.

  • @ABC-fv7ow
    @ABC-fv7ow Před 4 lety +1

    Much awaited video..Thanks medicosis

  • @mingmingandmikki
    @mingmingandmikki Před 3 lety +5

    Haha I love the "Lenin, may he rest in peace" part XD

  • @Aiman3471
    @Aiman3471 Před měsícem

    AT 13:20, Warfarin will not increase thrombin time since it works by inhibiting the synthesis of vitamin K that will affect the synthesis of prothrombin, however in TT test, thrombin is directly added to the plasma

  • @ummesalmashabbar5113
    @ummesalmashabbar5113 Před 2 lety +1

    love the way you speak in your videos

  • @cherrrriii
    @cherrrriii Před měsícem

    your explanations and recaps >>>>>>>

  • @Doctor____Z
    @Doctor____Z Před rokem +1

    I ask myself, why I go to college and waste my time for boring and hard lecture while medicosis make all medicine easy
    I am grateful to you
    Biggest thanks for this channel

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před rokem +1

      I am honored!
      Thank you so much 😊
      Would you please help me by sharing?

    • @Doctor____Z
      @Doctor____Z Před rokem

      @@MedicosisPerfectionalis yes I was do it before asking
      I’m sharing the lecture with my friend

  • @user-zt3cx7vi5m
    @user-zt3cx7vi5m Před 3 lety

    As usual amaaaazing 🌸🌸🌸🌸
    Thank you

  • @anaselassal3322
    @anaselassal3322 Před 2 lety +1

    Great content as always man! Your Egyptian "r" showed up a bit in there HAHA!
    If I ever come to America, or any other English speaking country for that matter, I plan on retaining my rolled "r", because I find it very difficult to pronounce the American "r" especially the "r"s coming in succession.. Any advice on rrretaining my accent? :)

  • @beshoyatef2145
    @beshoyatef2145 Před 3 lety +3

    Why do we get INR from PT and not from PTT?
    Please answer 🙁

  • @MedJMU
    @MedJMU Před 3 lety +1

    Deficiency of Vit K why not affect prolong pTT as it share in synthesis of coagultion factor in intrinsic pathway?

  • @ritwikkolhe946
    @ritwikkolhe946 Před 3 lety

    Explained very well💯👍🏼 Thank you😃

  • @anasofiawebkinz
    @anasofiawebkinz Před 2 lety

    Did you create all of the notes in this video? They are AWESOME, what program did you use?

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před 2 lety

      Yes…I do them with my own handwriting!
      Please send me an email and I will gladly tell you about all the apps that I use.
      medicosisperfectionalis@gmail.com

  • @dardoura
    @dardoura Před 3 lety +2

    Indeed my favourite medical channel.

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před 3 lety +1

      Thank you 🙏

    • @dardoura
      @dardoura Před 3 lety

      @@MedicosisPerfectionalis no man thank you, you put my teachers to shame, my only regret is that I wish I knew this information could be found on youtube years ago

  • @paoladolce9397
    @paoladolce9397 Před 2 lety

    thanks very much for the video ! BUT I don't understand why Warfarine (Antagonist VK) prolong TT ? because Thrombin is the reagent that we add so we don't need factor 2 (who need VK) for the reaction ...thanks

  • @jeweliajahan255
    @jeweliajahan255 Před 3 lety

    Its very informative and fun 💗
    Keep it up and stay blessed 🧡

  • @rou9409
    @rou9409 Před rokem

    Thank u for the great video!! Im a lab student preparing for SLLE and u helped me a lot! May I ask In which video did u talked abt the methods for testing coagulation factors assay? (Clot-based assay….)

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před rokem +1

      Watch the playlist “Bleeding and Coagulation” especially the ones around hemophilia, factor XII, and factor XIII.

  • @ylsb8
    @ylsb8 Před 2 lety +2

    Excellent teacher, love your lect.

  • @husseinmohamed2697
    @husseinmohamed2697 Před rokem +3

    the Rolls-Royce of medical education baby

  • @samh448
    @samh448 Před 3 lety +2

    you are so funny and informative! enjoyed this video. thanks!

  • @CarolineBay
    @CarolineBay Před 3 lety +3

    i wish u were my med school professor -- thank you!!

  • @levocetirizine4910
    @levocetirizine4910 Před 4 lety +4

    Did u just quote Nietzche in a pathology video? 😂 I like it

  • @user-zt3cx7vi5m
    @user-zt3cx7vi5m Před 3 lety +1

    I can'nt thank you
    Your explanation it's amaaazing.

  • @troyrodgers9790
    @troyrodgers9790 Před 3 lety

    hi i had some tests done in november and my fibrinogen levels were really low but the doctors are not saying anything about it. my rbc platelet count dropped by almost 100 also. it was normal in bloodwork i had done just a cpl weeks before in two separate labs. what cld that possibly mean. im suddenly experiencing joint, muscle and internal inflammation and now losing weight and even though i’m still eating. one doc is saying it looks like RA bcuz i started experiencing some swelling in my right thumb knuckle but only in my right hand

  • @FashionistaKereena
    @FashionistaKereena Před 3 lety

    Hello what would you say the PROTHROMBIN TIME should be for INR 2.1?

  • @atmanand5802
    @atmanand5802 Před 28 dny

    🪔☯️📿Why are you so funny, witty, and intelligent all in one??? I truly love your very enlightening medicosis videos, I simply can't stop laughing while learning from your easy to understand tables, notes, graphs, and illustrations... Thank you very very very much ⚕👁🩺#Om #Aum #Yoga #Yuga #Jyotish #Ayurveda #Evolution #Theosophy #RootRaces #TatTvamAsi #KalaPurusha #PanchaKosha #BrahmaVihara #AhamBrahmasmi #AsAboveSoBelow #TheSecretDoctrine #AutobiographyOfaYogi 🕉

  • @bardacha100
    @bardacha100 Před 8 měsíci

    You are such a genius! your help is priceless!

  • @dr.gautamsharma8167
    @dr.gautamsharma8167 Před 9 měsíci

    loved the way u made it so funny...i ll remember everything for sure

  • @lahareeshbl
    @lahareeshbl Před 3 lety

    Loved your video, cheers!

  • @sayyedm99
    @sayyedm99 Před 4 měsíci

    I have a question. How does dRVVT detect APS if both are coagulants? APS causes dimerisation of beta2GP1 and causes activation of Factor XI. dRVV activates factor X. Both cause coagulation eventually. How does adding dRVV help in detection of beta2GP1 in a APS patient's plasma, then?

  • @saifashram6482
    @saifashram6482 Před rokem

    hey medicos, I really appreciate your videos very great work and I totally watch them helped me a lot thanks for that but I have once concern
    during 12:15 warfarin should prolong PT and heparin should prolong PTT unlike what you wrote, this information is from Amboss if am wrong please correct me
    thank you and AMAZING VIDEOS KEEP IT UP

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před rokem +1

      Heparin prolongs both PT and PTT.
      Warfarin prolongs both PT and PTT.
      However, in the lab, clinically speaking, it’s easier to track heparin via PTT and to follow up with warfarin via PT.

  • @mustansirabbasali5756
    @mustansirabbasali5756 Před 3 lety +3

    God level. Thankyou so much!!!!❤️❤️❤️❤️❤️❤️❤️❤️

  • @al-kwther-7889
    @al-kwther-7889 Před 4 lety +4

    أنت رهيب جدا جدا جدا 🥇
    Thank you very much !

  • @saadullah5899
    @saadullah5899 Před 3 lety

    Your vidios are just 🔥🔥,thanks man ,u life saviour

  • @sanabear1656
    @sanabear1656 Před 3 lety +3

    Gosh...concepts and humor at the same times

  • @amalomer7466
    @amalomer7466 Před 2 lety +1

    U r SUPER PERFECT doctorrrrrrrr💙💙💙💙💙💙💙💙💙
    Really thankful!!!!

  • @aliahmedqasem1502
    @aliahmedqasem1502 Před 3 lety

    My favorite medical channel

  • @argumentumadbaculum
    @argumentumadbaculum Před 4 lety

    Hi Medicosis in antiphopholipid syndrome I thought APTT is elevated in vitro, is PT also prolonged?

  • @wellasang
    @wellasang Před 3 lety +3

    I like it: "the Rolce Royce of medical education".

  • @hab9925
    @hab9925 Před 3 lety +2

    ومن السموم الناقاعات دواء! ... كبير وشاعر كمان .. تحياتنا لك

  • @Abo-alod
    @Abo-alod Před rokem

    Thank for your video..I have one question:dose deficiency of vitamin K ,prolonged aPTT and TT??

  • @Doctor____Z
    @Doctor____Z Před rokem +1

    Wooooow you are arabica
    I’m soooo happpy
    I’m proud of you
    Keeep going
    You make medicine easy

  • @aliahmedqasim9324
    @aliahmedqasim9324 Před 2 lety

    its not my favorite medical channel its my beloved medical channel
    its my home my dreams my hopes and my future

  • @victorparedes7756
    @victorparedes7756 Před 2 lety

    Please make a video is Anty phospholipid syndrome Like this! You rule in hematology Master! 🤓😎

  • @scidro1115
    @scidro1115 Před 27 dny

    Thank you so much 🙏🏻
    I am an Indian, I struggled to understand your pronounciation, what accent is that?

  • @kavish1109
    @kavish1109 Před rokem

    An alternative acronym to remember immunoglobulins could be GAMED

  • @freedomfighter695
    @freedomfighter695 Před 3 lety

    Bravo ....love from Pakistan.....homeland to dr najeeb

  • @drvishramkulkarni
    @drvishramkulkarni Před 3 lety

    nice lecture...good work

  • @christieroberts7090
    @christieroberts7090 Před 3 lety

    does anyone have an answer for why liver disease causes prolongation of PT and aPTT? I understand that it does, but can't find a reason why despite the links with prothrombin production and vitamin K

    • @anandiamrutiya1746
      @anandiamrutiya1746 Před 2 lety

      Because liver produce the factors which helps in coagulation process. So if liver is damaged then factor will be low in blood and clot won't happen thus PT and APTT will be prolonged. Simple!

  • @wejdanalfahaad7910
    @wejdanalfahaad7910 Před 3 lety

    This help me a lot, Thanks♥️

  • @amnahsaad1279
    @amnahsaad1279 Před 3 lety +1

    شكرًا لوجودك في حياتي 🤍

  • @NehaShaikh21
    @NehaShaikh21 Před 3 lety +1

    Great video 👌
    Keep it up !

  • @underxk8640
    @underxk8640 Před 3 lety +1

    اسطورة والله العظيم اسطورة ومصري بعد 🤯❤️❤️

  • @charmanelagasca3095
    @charmanelagasca3095 Před 2 lety

    Sir I would like to ask if you have uncorrected pt and aptt what should be your next step? is it mixing studies oe drvvt?

  • @Yousefmmohammed
    @Yousefmmohammed Před 3 lety +3

    4:45 saved hours of fishing through books , google , youtube ....... thank u 🌚😇♥️

  • @milica9136
    @milica9136 Před 3 lety

    Hello! Can you tell me why does fibrinogen increase in inflammation Where I can find the explanation for this? Thank you!

    • @MedicosisPerfectionalis
      @MedicosisPerfectionalis  Před 3 lety +1

      It’s an acute phase reactant. The liver is working like crazy during inflammation.

  • @sevarsevar8533
    @sevarsevar8533 Před 3 lety

    is their any case that blood clots in time less than the normal range (in less than 2 minutes)?
    invitro clotting

  • @Drmahmoudsam
    @Drmahmoudsam Před 2 lety

    Great work! once single word made me writing this comment!
    So, don't underestimate ur menmoincs please!

  • @saramasri6644
    @saramasri6644 Před 3 lety

    Why PT is prolonged when fibrin split product elevated and when the antiphospholipid antibody elevated?

  • @atommedia2030
    @atommedia2030 Před 4 lety

    Thanks for your lecture notes of

  • @ahmedgmael5194
    @ahmedgmael5194 Před 3 lety

    It is Brilliant my friend ❤thx