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Tests for kidney
functions in blood
DR : MOHAMMED BAHGAT MOHAMMED SOFYAN
And ThulNun (Prophet Jonah), he
went away in anger thinking We had
no power over him. But in the
darkness he cried: 'There is no god
except You. Exaltations to You! I was
among the harmdoers. '”
ALLAH SAID IN QURAN SURA 21: AL-ANBIYA AYA 87- JUZ' 17
the Messenger of Allah (may peace
be upon him) said.
‫صورة‬ ‫كل‬ ‫على‬ ‫اضغط‬
‫الشاش‬ ‫عرض‬ ‫وضع‬ ‫في‬
‫ة‬
‫ع‬ ‫قنواتنا‬ ‫على‬ ‫وادعمنا‬
‫لى‬
‫التواصل‬ ‫وسائل‬
‫اإلجتماعى‬
‫على‬ ‫ملفي‬ ‫في‬ ‫هنا‬ ‫أرفعها‬ ‫التي‬ ‫شرائحي‬ ‫ومذاكرة‬ ‫بالتعلم‬ ‫وأسعد‬ ‫وأرحب‬ ‫أسمح‬
Slide share website
‫وال‬
‫مانع‬
‫أيضا‬
‫من‬
‫نسخ‬
‫شريحة‬
‫او‬
‫اثنين‬
‫عند‬
‫الضرورة‬
،
‫وال‬
‫مانع‬
‫من‬
‫شرح‬
‫البوربو‬
‫ينت‬
‫الخاصة‬
‫بي‬
‫للغير‬
‫بشرط‬
‫عدم‬
‫إزالة‬
‫اسمي‬
‫من‬
‫البوربوينت‬
،
‫فال‬
‫أسمح‬
‫أبدا‬
‫بإزالة‬
‫اسمي‬
‫من‬
‫على‬
‫الباوربوينت‬
‫ووضع‬
‫اسمك‬
‫بدال‬
‫منه‬
‫لتصبح‬
‫وكأنك‬
‫من‬
‫صممتها‬
‫فهذه‬
‫سرقة‬
‫ال‬
‫أسمح‬
‫بها‬
‫وتضييع‬
‫لحق‬
‫من‬
‫تعب‬
‫في‬
‫عملها‬
.
‫وفقكم‬
‫هللا‬
‫وإياي‬
‫للتعلم‬
‫ونفع‬
‫اآلخرين‬
I allow, welcome, and be happy to learn and study my slides that I
upload here in my profile on Slide share website
There is also no objection to copying one or two slides when
necessary, and there is no objection to explaining my PowerPoint to
others on the condition that my name is not removed from the
PowerPoint. I never allow my name to be removed from PowerPoint
and to replace it with yours, Make it look like you designed it. This is
theft that I do not allow and a waste of the right of those who are
tired in this work. May God bless you and me for learning and
benefiting others
5
story
‫وزا‬ ‫اتحجزت‬ ‫لو‬ ‫البول‬ ‫في‬ ‫بتنزل‬ ‫مادة‬ ‫نشوف‬ ‫قالوا‬ ‫الكلي‬ ‫كفائة‬ ‫يقيسوا‬ ‫عاوزين‬ ‫كانوا‬ ‫بداية‬
‫يبقي‬ ‫الدم‬ ‫في‬ ‫دت‬
‫ضعيفة‬ ‫كفاءتها‬ ‫كده‬ ‫وتبقي‬ ‫البول‬ ‫في‬ ‫تنزلها‬ ‫عارفه‬ ‫مش‬ ‫الكلي‬ ‫إن‬ ‫معناه‬
.
‫شافوا‬ ‫حاجة‬ ‫أول‬
Uric acids, urea
‫فيها‬ ‫ارتفع‬ ‫كلوي‬ ‫فشل‬ ‫عندها‬ ‫اللي‬ ‫الناس‬ ‫لقوا‬ ‫وبالفعل‬ ‫عيانين‬ ‫وجابوا‬
uric acids and urea
Uric acid or urea !!!!
Nonspecific Nonsensitive
❑
Creatinine !!!!!
‫أخري‬ ‫بعوامل‬ ‫تتأثر‬ ‫ال‬ ‫تانيه‬ ‫مادة‬ ‫علي‬ ‫ندور‬ ‫قالك‬
‫الكلي‬ ‫غير‬
...
‫ما‬ ‫لكنه‬ ‫كثيرة‬ ‫بأشياء‬ ‫يتأثر‬ ‫ال‬ ‫ما‬ ً‫ا‬‫نوع‬ ‫أنه‬ ‫رغم‬ ‫ولكن‬ ‫الكرياتينين‬ ‫وجدوا‬
‫ولو‬ ‫يتأثر‬ ‫زال‬
‫ال‬ ‫ب‬ ‫قليال‬
➢ Age, body built & sex
➢ Nonspecific
➢ Nonsensitive
‫إنها‬ ‫مثل‬ ‫معينة‬ ‫صفات‬ ‫لها‬ ‫المادة‬ ‫هذه‬ ‫تكون‬ ‫مادة‬ ‫نحقن‬ ‫إننا‬ ‫غير‬ ‫فيش‬ ‫ما‬ ‫قالك‬
:
Freely filtered in urine
Not absorbed and nor secreted
What’s this substance
Inulin !!!
‫اإلنيولين‬ ‫هي‬ ‫مادة‬ ‫أفضل‬ ‫إن‬ ‫لقوا‬ ‫يدوروا‬ ‫قاعدوا‬
inulin
‫هيحصلها‬ ‫ونشوف‬ ‫الدم‬ ‫في‬ ‫تركيزها‬ ‫ونشوف‬ ‫نحقنها‬ ‫خالص‬ ‫فقالوا‬
excretion
‫؟؟‬ ‫ايه‬ ‫قد‬
‫ده‬ ‫ونسمي‬ ‫الكلي‬ ‫كفائة‬ ‫قيسنا‬ ‫احنا‬ ‫كده‬ ‫ويبقي‬
inulin excretion
substances
clearance
‫وشافوا‬
‫بعض‬
‫المواد‬
‫األخري‬
‫بعضها‬
‫مشع‬
‫واآلخر‬
‫غير‬
‫مش‬
‫ع‬
‫وسموا‬
‫ده‬
substances clearance
‫المفاجأة‬ ‫كانت‬ ‫التطبيق‬ ‫عند‬ ‫لكن‬
!!!!!
‫في‬ ‫إنك‬ ‫جدا‬ ‫صعب‬ ‫الموضوع‬
routine analysis
‫بول‬ ‫تجمع‬ ‫وكمان‬ ‫حقنة‬ ‫للمريض‬ ‫تعطي‬
24
‫جدا‬ ‫صعب‬ ‫ده‬ ‫الموضوع‬ ‫صراحة‬ ‫ساعة‬
.
Creatinine clearance
‫السابق‬ ‫المواصفات‬ ‫نفس‬ ‫لها‬ ‫يكون‬ ‫الجسم‬ ‫في‬ ‫مادة‬ ‫علي‬ ‫ندور‬ ‫الزم‬ ‫قالك‬
‫لل‬ ‫ة‬
inulin
‫هو‬ ‫شيء‬ ‫أفضل‬ ‫لقوا‬ ‫يدوروا‬ ‫قعدوا‬
creatinine
‫ف‬ ‫الكرياتينين‬ ‫نقيس‬ ‫يبقي‬ ‫الخارج‬ ‫من‬ ‫حقن‬ ‫نعطي‬ ‫ما‬ ‫بدل‬ ‫خالص‬ ‫قالوا‬
‫الدم‬ ‫ي‬
‫البول‬ ‫حجم‬ ‫ونشوف‬ ‫البول‬ ‫في‬ ‫ونقيسه‬
.
1
2
3
4
U
urine
creatinine
concentration
V
volume
of urine
P
plasma
creatinine
concentration
Creatinine clearance
U*V/P
PDCA
Creatinine clearance
‫منها‬ ‫قاتلة‬ ‫عيوب‬ ‫فيه‬ ‫لقوا‬ ‫الوقت‬ ‫وبمرور‬ ،‫واحد‬ ‫أفضل‬ ‫ده‬ ‫هوا‬ ‫قالوا‬
:
1
-
‫بول‬ ‫تجميع‬
24
‫كاملة‬ ‫السابقة‬ ‫المواصفات‬ ‫عليه‬ ‫ينطبق‬ ‫ال‬ ‫الكرياتينين‬ ‫إن‬ ‫ومنها‬ ‫ساعة‬
‫مثال‬ ‫مثل‬
‫إنه‬ ‫لقوا‬
2- 6% secreted in urine
‫ال‬ ‫قالك‬
creatinine clearance
‫عدشي‬ ‫ما‬
accurate
‫أف‬ ‫بمفرده‬ ‫الكرياتينين‬ ‫قياس‬ ‫إن‬ ‫بتقول‬ ‫الكتب‬ ‫بعض‬ ‫إن‬ ‫لدرجة‬
‫من‬ ‫ضل‬
creatinine clearance
‫الكلي‬ ‫كفائة‬ ‫تحديد‬ ‫في‬
!!!!
ً‫ال‬‫مث‬ ‫وجاب‬ ‫العلمي‬ ‫البحث‬ ‫من‬ ‫فريق‬ ‫قام‬
10000
‫وعمللهم‬ ‫مثال‬ ‫مريض‬
inulin clearance
‫تحليل‬ ‫أدق‬ ‫هو‬ ‫اللي‬
‫أنظارهم‬ ‫تحت‬ ‫ومعمول‬ ‫الكلي‬ ‫كفائة‬ ‫لقياس‬
‫قاسوا‬ ‫ذلك‬ ‫بعد‬ ‫ثم‬
‫الكرياتينين‬
‫المرضي‬ ‫لهؤالء‬
‫ال‬ ‫وجمعوا‬
Age, sex, + or - weight
0 1 2 3 4 5 6 7
patient 1
patient 2
patient 3
patient 4
patient 1 patient 2 patient 3 patient 4
sex 1 5 1 5
age 3.5 4.5 5.5 6
serum creatinin 0.9 1.5 1.9 2.3
inulin clearance 2.5 2.5 3 4
Chart Title
sex age serum creatinin inulin clearance
eGFR
‫بي‬ ‫نحسب‬ ‫أعطنهالكم‬ ‫اللي‬ ‫النتائج‬ ‫من‬ ‫معادلة‬ ‫طلعولنا‬ ‫قالواخالص‬
‫ها‬
inulin clearance
‫الكلي‬ ‫كفائة‬ ‫يمثل‬ ‫هو‬ ‫اللي‬
eGFR
‫بين‬ ‫تناسب‬ ‫فيه‬ ‫إن‬ ‫لنا‬
inulin clearance
‫وال‬
Serum creatinine, age and sex.
‫ال‬ ‫قياس‬ ‫فيها‬ ‫يتم‬ ‫المعادلة‬ ‫هذه‬ ‫معادلة‬ ‫طلعوا‬ ‫العلماء‬
GFR
‫من‬
‫وسموها‬ ‫والجنس‬ ‫والعمر‬ ‫الكرياتينين‬
estimated glomerular filtration rate (eGFR)
01
Definition of creatinine
clearance
02
Steps of he test
03 Calculation of creatinine
clearance
04 Disadvantages of creatinine
clearance
Table of Content
Alternative to creatinine
analysis
05
Creatinine clearance
Essential of clinical pathology
Welcome Message From dr Mohammed Bahgat
Welcome To Todays Session. How are you
I wish this will be a good session
God willing, it will be a very easy lesson
Also, Great Welcome To Our Viewers.
A D K A R
Creatinine is being
produced
constantly from
creatine in muscle.
Not reabsorbed
by tubules
24-hour urine
sample is preferred
to overcome
however, a
small amount is
secreted by
tubules.
It is
completely
filtered by
glomeruli
After getting up in the
morning, the first
voided urine is
discarded.
After getting up in the
next morning, the first
voided urine is also
collected, and the
container is sent to the
laboratory.
‫البو‬ ‫جميع‬ ‫وأخرج‬ ‫الحمام‬ ‫ادخل‬ ‫النوم‬ ‫من‬ ‫تصحي‬ ‫لما‬
‫ل‬
‫الب‬ ‫جمع‬ ‫ذلك‬ ‫بعد‬ ‫ثم‬ ،‫المرحاض‬ ‫في‬ ‫المثانه‬ ‫وفرغ‬
‫ول‬
‫التالي‬ ‫اليوم‬ ‫إلي‬ ‫كبيرة‬ ‫زجاجة‬ ‫في‬ ‫اليوم‬ ‫باقي‬
‫عندما‬
‫ز‬ ‫في‬ ‫اإلستيقاظ‬ ‫بعد‬ ‫عينة‬ ‫آخر‬ ‫اجمع‬ ‫تستيقظ‬
‫جاجة‬
‫للمعمل‬ ‫أرسلها‬ ‫ثم‬ ، ‫التجميع‬
.
Subsequently, all the
urine passed is collected
in the container
A blood sample for
estimation of plasma
creatinine is obtained at
midpoint of urine
collection.
Steps of the test
concentration of creatinine
in urine in mg/dl (U)
volume of urine excreted in
ml/min (V) (this is calculated
by the formula: volume of
urine collected/collection time
in minutes e.g. volume of urine
collected in 24 hours ÷ 1440)
concentration of creatinine
in plasma in mg/dl (P).
Creatinine clearance in
ml/min per 1.73 m2 is
then derived from the
formula UV/P
small amount of creatinine is
secreted by renal tubules that
increase even further in
advanced renal failure.
certain drugs like
cimetidine, probenecid,
and trimethoprim
(which block tubular
secretion of creatinine).
Creatinine level is
affected by intake of
meat and high muscle
mass
Collection of urine is
often incomplete.
‫عيوب‬
‫هذا‬
‫التحليل‬
‫مشاك‬
‫ل‬
‫في‬
‫تجميع‬
‫البول‬
،
‫أيض‬
‫ا‬
‫الكرياتينين‬
‫يفرز‬
‫ف‬
‫ي‬
‫الكلي‬
،
‫أيضا‬
‫الكرياتي‬
‫نين‬
‫يتأثر‬
‫بأشياء‬
‫أخري‬
‫غي‬
‫ر‬
‫مشاكل‬
‫الكلي‬
‫مثل‬
Sex, muscle,..
‫وكذلك‬
‫يتأثر‬
‫ببعض‬
‫األدوية‬
.
It's is recommended by National
Kidney Foundation (USA) to
calculate creatinine clearance by
Cockcroft and Gault or other
equation from serum creatinine
value rather than estimating
creatinine clearance from a 24-
hour urine sample.
This is because the latter test is
inconvenient, time-consuming,
and often inaccurate.
Alternative to creatinine analysis
Before After
REFERENCES :
• _ https://labtestsonline.org
• _ https://www.medscape.com
• _ https://www.wikipedia.org
• _ https ps://www.labcorp.com
• _ https://www.uptodate.com
• _ https://www.ncbi.nlm.nih.gov Home - PubMed – NCBI
• _TIETZTEXTBOOK OF CLINICAL CHEMISTRY AND MOLECULAR DIAGNOSTICS, SIXTH EDITION 2018.
• _Essential of clinical pathology book; 1st edition; Shirish M Kawthalkar; 2010.
• _Essential of biochemistry book ;1st edition; 2012.
• _ Harper's illustrated biochemistry 30th edition 2015.
• _ Lippincott's illustrated review of biochemistry sixth edition 2014.
• _ Lecturea Notes Clinical Biochemistry, 9th EditionWalker, Simon, 2103.
• _Some audios and videos fromWell-known, trusted professors who study from accredited books.
‫اليوتيوب‬ ‫علي‬ ‫البحث‬ ‫أو‬ ،‫اليوتيوب‬ ‫علي‬ ‫قناتي‬ ‫دي‬
‫د‬ ‫باسم‬
.
‫سفيان‬ ‫بهجت‬ ‫محمد‬
،
‫هللا‬ ‫شاء‬ ‫إن‬ ‫نستمر‬ ‫حتى‬ ‫بالقناة‬ ‫وتشتركوا‬ ‫تتابعوني‬ ‫ياريت‬
https://www.youtube.com/channel/UCaYs1d8s0ntZvteHS3mMmGA
‫ب‬ ‫الفيس‬ ‫في‬ ‫البحث‬ ‫أو‬ ،‫انضمامكم‬ ‫يشرفنا‬ ‫الفيسبوك‬ ‫علي‬ ‫بتاعتي‬ ‫الصفحة‬ ‫دي‬
DMBMS2018
،
‫هللا‬ ‫شاء‬ ‫إن‬ ‫نستمر‬ ‫حتى‬ ‫تتابعوني‬ ‫ياريت‬
https://www.facebook.com/DMBMS2018/
‫باسم‬ ‫التلجرام‬ ‫علي‬ ‫قناتي‬ ‫ودي‬
ِ ‫للناس‬ ‫أنفعهم‬ ‫الناس‬ ‫خير‬
📚
‫هللا‬ ‫شاء‬ ‫إن‬ ‫نستمر‬ ‫حتى‬ ‫تتابعوني‬ ‫ِريت‬‫ا‬‫ي‬
https://t.me/DMBMS2020
‫على‬ ‫بروفايلي‬
‫لينكيدإن‬
‫وتعملولي‬ ‫تتابعوني‬ ‫ياريت‬
endorsement
‫مهاراتي‬ ‫على‬
https://www.linkedin.com/in/mohammed-bahgat-sofyan-8ba012142/
‫موقع‬ ‫على‬ ‫بروفايلي‬ ‫وده‬
SlideShare
‫تتابعونا‬ ‫ياريت‬
https://www.slideshare.net/MohammedBahgatMohamm1
‫وده‬
‫بروفايلي‬
‫الشخصي‬
‫الفيسبوك‬ ‫علي‬
https://www.facebook.com/mohammed.bahgat.165
‫الفيسبوك‬ ‫على‬ ‫بنا‬ ‫الخاص‬ ‫اللوجوا‬ ‫وده‬
#
‫دمحمد‬
_
‫بهجت‬
_
‫سفيان‬
_
medical_biochimestry
THANK YOU
meet on the best
later, God willing
47

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Tests for kidney functions in blood

  • 1. Tests for kidney functions in blood DR : MOHAMMED BAHGAT MOHAMMED SOFYAN
  • 2. And ThulNun (Prophet Jonah), he went away in anger thinking We had no power over him. But in the darkness he cried: 'There is no god except You. Exaltations to You! I was among the harmdoers. '” ALLAH SAID IN QURAN SURA 21: AL-ANBIYA AYA 87- JUZ' 17
  • 3. the Messenger of Allah (may peace be upon him) said.
  • 4. ‫صورة‬ ‫كل‬ ‫على‬ ‫اضغط‬ ‫الشاش‬ ‫عرض‬ ‫وضع‬ ‫في‬ ‫ة‬ ‫ع‬ ‫قنواتنا‬ ‫على‬ ‫وادعمنا‬ ‫لى‬ ‫التواصل‬ ‫وسائل‬ ‫اإلجتماعى‬
  • 5. ‫على‬ ‫ملفي‬ ‫في‬ ‫هنا‬ ‫أرفعها‬ ‫التي‬ ‫شرائحي‬ ‫ومذاكرة‬ ‫بالتعلم‬ ‫وأسعد‬ ‫وأرحب‬ ‫أسمح‬ Slide share website ‫وال‬ ‫مانع‬ ‫أيضا‬ ‫من‬ ‫نسخ‬ ‫شريحة‬ ‫او‬ ‫اثنين‬ ‫عند‬ ‫الضرورة‬ ، ‫وال‬ ‫مانع‬ ‫من‬ ‫شرح‬ ‫البوربو‬ ‫ينت‬ ‫الخاصة‬ ‫بي‬ ‫للغير‬ ‫بشرط‬ ‫عدم‬ ‫إزالة‬ ‫اسمي‬ ‫من‬ ‫البوربوينت‬ ، ‫فال‬ ‫أسمح‬ ‫أبدا‬ ‫بإزالة‬ ‫اسمي‬ ‫من‬ ‫على‬ ‫الباوربوينت‬ ‫ووضع‬ ‫اسمك‬ ‫بدال‬ ‫منه‬ ‫لتصبح‬ ‫وكأنك‬ ‫من‬ ‫صممتها‬ ‫فهذه‬ ‫سرقة‬ ‫ال‬ ‫أسمح‬ ‫بها‬ ‫وتضييع‬ ‫لحق‬ ‫من‬ ‫تعب‬ ‫في‬ ‫عملها‬ . ‫وفقكم‬ ‫هللا‬ ‫وإياي‬ ‫للتعلم‬ ‫ونفع‬ ‫اآلخرين‬ I allow, welcome, and be happy to learn and study my slides that I upload here in my profile on Slide share website There is also no objection to copying one or two slides when necessary, and there is no objection to explaining my PowerPoint to others on the condition that my name is not removed from the PowerPoint. I never allow my name to be removed from PowerPoint and to replace it with yours, Make it look like you designed it. This is theft that I do not allow and a waste of the right of those who are tired in this work. May God bless you and me for learning and benefiting others 5
  • 6. story ‫وزا‬ ‫اتحجزت‬ ‫لو‬ ‫البول‬ ‫في‬ ‫بتنزل‬ ‫مادة‬ ‫نشوف‬ ‫قالوا‬ ‫الكلي‬ ‫كفائة‬ ‫يقيسوا‬ ‫عاوزين‬ ‫كانوا‬ ‫بداية‬ ‫يبقي‬ ‫الدم‬ ‫في‬ ‫دت‬ ‫ضعيفة‬ ‫كفاءتها‬ ‫كده‬ ‫وتبقي‬ ‫البول‬ ‫في‬ ‫تنزلها‬ ‫عارفه‬ ‫مش‬ ‫الكلي‬ ‫إن‬ ‫معناه‬ . ‫شافوا‬ ‫حاجة‬ ‫أول‬ Uric acids, urea ‫فيها‬ ‫ارتفع‬ ‫كلوي‬ ‫فشل‬ ‫عندها‬ ‫اللي‬ ‫الناس‬ ‫لقوا‬ ‫وبالفعل‬ ‫عيانين‬ ‫وجابوا‬ uric acids and urea
  • 7. Uric acid or urea !!!! Nonspecific Nonsensitive ❑
  • 8. Creatinine !!!!! ‫أخري‬ ‫بعوامل‬ ‫تتأثر‬ ‫ال‬ ‫تانيه‬ ‫مادة‬ ‫علي‬ ‫ندور‬ ‫قالك‬ ‫الكلي‬ ‫غير‬ ... ‫ما‬ ‫لكنه‬ ‫كثيرة‬ ‫بأشياء‬ ‫يتأثر‬ ‫ال‬ ‫ما‬ ً‫ا‬‫نوع‬ ‫أنه‬ ‫رغم‬ ‫ولكن‬ ‫الكرياتينين‬ ‫وجدوا‬ ‫ولو‬ ‫يتأثر‬ ‫زال‬ ‫ال‬ ‫ب‬ ‫قليال‬ ➢ Age, body built & sex ➢ Nonspecific ➢ Nonsensitive
  • 9. ‫إنها‬ ‫مثل‬ ‫معينة‬ ‫صفات‬ ‫لها‬ ‫المادة‬ ‫هذه‬ ‫تكون‬ ‫مادة‬ ‫نحقن‬ ‫إننا‬ ‫غير‬ ‫فيش‬ ‫ما‬ ‫قالك‬ : Freely filtered in urine Not absorbed and nor secreted What’s this substance
  • 10. Inulin !!! ‫اإلنيولين‬ ‫هي‬ ‫مادة‬ ‫أفضل‬ ‫إن‬ ‫لقوا‬ ‫يدوروا‬ ‫قاعدوا‬ inulin ‫هيحصلها‬ ‫ونشوف‬ ‫الدم‬ ‫في‬ ‫تركيزها‬ ‫ونشوف‬ ‫نحقنها‬ ‫خالص‬ ‫فقالوا‬ excretion ‫؟؟‬ ‫ايه‬ ‫قد‬ ‫ده‬ ‫ونسمي‬ ‫الكلي‬ ‫كفائة‬ ‫قيسنا‬ ‫احنا‬ ‫كده‬ ‫ويبقي‬ inulin excretion
  • 12.
  • 13.
  • 14.
  • 15. ‫المفاجأة‬ ‫كانت‬ ‫التطبيق‬ ‫عند‬ ‫لكن‬ !!!!! ‫في‬ ‫إنك‬ ‫جدا‬ ‫صعب‬ ‫الموضوع‬ routine analysis ‫بول‬ ‫تجمع‬ ‫وكمان‬ ‫حقنة‬ ‫للمريض‬ ‫تعطي‬ 24 ‫جدا‬ ‫صعب‬ ‫ده‬ ‫الموضوع‬ ‫صراحة‬ ‫ساعة‬ .
  • 16. Creatinine clearance ‫السابق‬ ‫المواصفات‬ ‫نفس‬ ‫لها‬ ‫يكون‬ ‫الجسم‬ ‫في‬ ‫مادة‬ ‫علي‬ ‫ندور‬ ‫الزم‬ ‫قالك‬ ‫لل‬ ‫ة‬ inulin ‫هو‬ ‫شيء‬ ‫أفضل‬ ‫لقوا‬ ‫يدوروا‬ ‫قعدوا‬ creatinine ‫ف‬ ‫الكرياتينين‬ ‫نقيس‬ ‫يبقي‬ ‫الخارج‬ ‫من‬ ‫حقن‬ ‫نعطي‬ ‫ما‬ ‫بدل‬ ‫خالص‬ ‫قالوا‬ ‫الدم‬ ‫ي‬ ‫البول‬ ‫حجم‬ ‫ونشوف‬ ‫البول‬ ‫في‬ ‫ونقيسه‬ .
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24. Creatinine clearance ‫منها‬ ‫قاتلة‬ ‫عيوب‬ ‫فيه‬ ‫لقوا‬ ‫الوقت‬ ‫وبمرور‬ ،‫واحد‬ ‫أفضل‬ ‫ده‬ ‫هوا‬ ‫قالوا‬ : 1 - ‫بول‬ ‫تجميع‬ 24 ‫كاملة‬ ‫السابقة‬ ‫المواصفات‬ ‫عليه‬ ‫ينطبق‬ ‫ال‬ ‫الكرياتينين‬ ‫إن‬ ‫ومنها‬ ‫ساعة‬ ‫مثال‬ ‫مثل‬ ‫إنه‬ ‫لقوا‬ 2- 6% secreted in urine ‫ال‬ ‫قالك‬ creatinine clearance ‫عدشي‬ ‫ما‬ accurate ‫أف‬ ‫بمفرده‬ ‫الكرياتينين‬ ‫قياس‬ ‫إن‬ ‫بتقول‬ ‫الكتب‬ ‫بعض‬ ‫إن‬ ‫لدرجة‬ ‫من‬ ‫ضل‬ creatinine clearance ‫الكلي‬ ‫كفائة‬ ‫تحديد‬ ‫في‬ !!!!
  • 25. ً‫ال‬‫مث‬ ‫وجاب‬ ‫العلمي‬ ‫البحث‬ ‫من‬ ‫فريق‬ ‫قام‬ 10000 ‫وعمللهم‬ ‫مثال‬ ‫مريض‬ inulin clearance ‫تحليل‬ ‫أدق‬ ‫هو‬ ‫اللي‬ ‫أنظارهم‬ ‫تحت‬ ‫ومعمول‬ ‫الكلي‬ ‫كفائة‬ ‫لقياس‬ ‫قاسوا‬ ‫ذلك‬ ‫بعد‬ ‫ثم‬ ‫الكرياتينين‬ ‫المرضي‬ ‫لهؤالء‬ ‫ال‬ ‫وجمعوا‬ Age, sex, + or - weight
  • 26. 0 1 2 3 4 5 6 7 patient 1 patient 2 patient 3 patient 4 patient 1 patient 2 patient 3 patient 4 sex 1 5 1 5 age 3.5 4.5 5.5 6 serum creatinin 0.9 1.5 1.9 2.3 inulin clearance 2.5 2.5 3 4 Chart Title sex age serum creatinin inulin clearance
  • 27. eGFR ‫بي‬ ‫نحسب‬ ‫أعطنهالكم‬ ‫اللي‬ ‫النتائج‬ ‫من‬ ‫معادلة‬ ‫طلعولنا‬ ‫قالواخالص‬ ‫ها‬ inulin clearance ‫الكلي‬ ‫كفائة‬ ‫يمثل‬ ‫هو‬ ‫اللي‬ eGFR ‫بين‬ ‫تناسب‬ ‫فيه‬ ‫إن‬ ‫لنا‬ inulin clearance ‫وال‬ Serum creatinine, age and sex. ‫ال‬ ‫قياس‬ ‫فيها‬ ‫يتم‬ ‫المعادلة‬ ‫هذه‬ ‫معادلة‬ ‫طلعوا‬ ‫العلماء‬ GFR ‫من‬ ‫وسموها‬ ‫والجنس‬ ‫والعمر‬ ‫الكرياتينين‬ estimated glomerular filtration rate (eGFR)
  • 28.
  • 29.
  • 30.
  • 31. 01 Definition of creatinine clearance 02 Steps of he test 03 Calculation of creatinine clearance 04 Disadvantages of creatinine clearance Table of Content Alternative to creatinine analysis 05
  • 32. Creatinine clearance Essential of clinical pathology
  • 33. Welcome Message From dr Mohammed Bahgat Welcome To Todays Session. How are you I wish this will be a good session God willing, it will be a very easy lesson Also, Great Welcome To Our Viewers.
  • 34. A D K A R Creatinine is being produced constantly from creatine in muscle. Not reabsorbed by tubules 24-hour urine sample is preferred to overcome however, a small amount is secreted by tubules. It is completely filtered by glomeruli
  • 35. After getting up in the morning, the first voided urine is discarded. After getting up in the next morning, the first voided urine is also collected, and the container is sent to the laboratory. ‫البو‬ ‫جميع‬ ‫وأخرج‬ ‫الحمام‬ ‫ادخل‬ ‫النوم‬ ‫من‬ ‫تصحي‬ ‫لما‬ ‫ل‬ ‫الب‬ ‫جمع‬ ‫ذلك‬ ‫بعد‬ ‫ثم‬ ،‫المرحاض‬ ‫في‬ ‫المثانه‬ ‫وفرغ‬ ‫ول‬ ‫التالي‬ ‫اليوم‬ ‫إلي‬ ‫كبيرة‬ ‫زجاجة‬ ‫في‬ ‫اليوم‬ ‫باقي‬ ‫عندما‬ ‫ز‬ ‫في‬ ‫اإلستيقاظ‬ ‫بعد‬ ‫عينة‬ ‫آخر‬ ‫اجمع‬ ‫تستيقظ‬ ‫جاجة‬ ‫للمعمل‬ ‫أرسلها‬ ‫ثم‬ ، ‫التجميع‬ . Subsequently, all the urine passed is collected in the container A blood sample for estimation of plasma creatinine is obtained at midpoint of urine collection. Steps of the test
  • 36. concentration of creatinine in urine in mg/dl (U) volume of urine excreted in ml/min (V) (this is calculated by the formula: volume of urine collected/collection time in minutes e.g. volume of urine collected in 24 hours ÷ 1440) concentration of creatinine in plasma in mg/dl (P). Creatinine clearance in ml/min per 1.73 m2 is then derived from the formula UV/P
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  • 39. small amount of creatinine is secreted by renal tubules that increase even further in advanced renal failure. certain drugs like cimetidine, probenecid, and trimethoprim (which block tubular secretion of creatinine). Creatinine level is affected by intake of meat and high muscle mass Collection of urine is often incomplete. ‫عيوب‬ ‫هذا‬ ‫التحليل‬ ‫مشاك‬ ‫ل‬ ‫في‬ ‫تجميع‬ ‫البول‬ ، ‫أيض‬ ‫ا‬ ‫الكرياتينين‬ ‫يفرز‬ ‫ف‬ ‫ي‬ ‫الكلي‬ ، ‫أيضا‬ ‫الكرياتي‬ ‫نين‬ ‫يتأثر‬ ‫بأشياء‬ ‫أخري‬ ‫غي‬ ‫ر‬ ‫مشاكل‬ ‫الكلي‬ ‫مثل‬ Sex, muscle,.. ‫وكذلك‬ ‫يتأثر‬ ‫ببعض‬ ‫األدوية‬ .
  • 40. It's is recommended by National Kidney Foundation (USA) to calculate creatinine clearance by Cockcroft and Gault or other equation from serum creatinine value rather than estimating creatinine clearance from a 24- hour urine sample. This is because the latter test is inconvenient, time-consuming, and often inaccurate. Alternative to creatinine analysis
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  • 45. REFERENCES : • _ https://labtestsonline.org • _ https://www.medscape.com • _ https://www.wikipedia.org • _ https ps://www.labcorp.com • _ https://www.uptodate.com • _ https://www.ncbi.nlm.nih.gov Home - PubMed – NCBI • _TIETZTEXTBOOK OF CLINICAL CHEMISTRY AND MOLECULAR DIAGNOSTICS, SIXTH EDITION 2018. • _Essential of clinical pathology book; 1st edition; Shirish M Kawthalkar; 2010. • _Essential of biochemistry book ;1st edition; 2012. • _ Harper's illustrated biochemistry 30th edition 2015. • _ Lippincott's illustrated review of biochemistry sixth edition 2014. • _ Lecturea Notes Clinical Biochemistry, 9th EditionWalker, Simon, 2103. • _Some audios and videos fromWell-known, trusted professors who study from accredited books.
  • 46. ‫اليوتيوب‬ ‫علي‬ ‫البحث‬ ‫أو‬ ،‫اليوتيوب‬ ‫علي‬ ‫قناتي‬ ‫دي‬ ‫د‬ ‫باسم‬ . ‫سفيان‬ ‫بهجت‬ ‫محمد‬ ، ‫هللا‬ ‫شاء‬ ‫إن‬ ‫نستمر‬ ‫حتى‬ ‫بالقناة‬ ‫وتشتركوا‬ ‫تتابعوني‬ ‫ياريت‬ https://www.youtube.com/channel/UCaYs1d8s0ntZvteHS3mMmGA ‫ب‬ ‫الفيس‬ ‫في‬ ‫البحث‬ ‫أو‬ ،‫انضمامكم‬ ‫يشرفنا‬ ‫الفيسبوك‬ ‫علي‬ ‫بتاعتي‬ ‫الصفحة‬ ‫دي‬ DMBMS2018 ، ‫هللا‬ ‫شاء‬ ‫إن‬ ‫نستمر‬ ‫حتى‬ ‫تتابعوني‬ ‫ياريت‬ https://www.facebook.com/DMBMS2018/ ‫باسم‬ ‫التلجرام‬ ‫علي‬ ‫قناتي‬ ‫ودي‬ ِ ‫للناس‬ ‫أنفعهم‬ ‫الناس‬ ‫خير‬ 📚 ‫هللا‬ ‫شاء‬ ‫إن‬ ‫نستمر‬ ‫حتى‬ ‫تتابعوني‬ ‫ِريت‬‫ا‬‫ي‬ https://t.me/DMBMS2020 ‫على‬ ‫بروفايلي‬ ‫لينكيدإن‬ ‫وتعملولي‬ ‫تتابعوني‬ ‫ياريت‬ endorsement ‫مهاراتي‬ ‫على‬ https://www.linkedin.com/in/mohammed-bahgat-sofyan-8ba012142/ ‫موقع‬ ‫على‬ ‫بروفايلي‬ ‫وده‬ SlideShare ‫تتابعونا‬ ‫ياريت‬ https://www.slideshare.net/MohammedBahgatMohamm1 ‫وده‬ ‫بروفايلي‬ ‫الشخصي‬ ‫الفيسبوك‬ ‫علي‬ https://www.facebook.com/mohammed.bahgat.165 ‫الفيسبوك‬ ‫على‬ ‫بنا‬ ‫الخاص‬ ‫اللوجوا‬ ‫وده‬ # ‫دمحمد‬ _ ‫بهجت‬ _ ‫سفيان‬ _ medical_biochimestry
  • 47. THANK YOU meet on the best later, God willing 47