This document discusses blood typing and blood groups. It begins by explaining the purpose of blood typing before blood transfusions. It then covers the principles of blood groups based on antigens on red blood cells. The major blood groups are defined by the presence or absence of A and B antigens, resulting in types O, A, B, and AB. It also discusses the Rh factor and clinical significance of Rh-negative mothers carrying Rh-positive babies. The document provides details on determining blood types using different antiserums and preventing hemolytic disease of the newborn. It defines terms like universal donor and universal recipient.
This presentation aims to help medicine undergraduates and post graduates in the department of Pathology and Department of transfusion medicine for better understanding of various blood grouping systems, sub groups, RBC antigens and corresponding antibodies. It also covers the practical aspect of blood grouping and cross matching.
The Compatibility can be determined by matching the different blood group systems, such as ABO and Rh system, and/or by directly testing for the presence of antibodies against a sample of donor tissues or blood.
The main purpose of this test is to distinguish the appearance of antibodies in the recipient against the red blood cells of the donor. These antibodies can be found on the surface of red blood cells of the donor after transfusion.
how to select a healthy donor & care of donor .A healthy donor is one of the most vital part of transfusion medicine for safe transfusion of blood & blood product
This presentation aims to help medicine undergraduates and post graduates in the department of Pathology and Department of transfusion medicine for better understanding of various blood grouping systems, sub groups, RBC antigens and corresponding antibodies. It also covers the practical aspect of blood grouping and cross matching.
The Compatibility can be determined by matching the different blood group systems, such as ABO and Rh system, and/or by directly testing for the presence of antibodies against a sample of donor tissues or blood.
The main purpose of this test is to distinguish the appearance of antibodies in the recipient against the red blood cells of the donor. These antibodies can be found on the surface of red blood cells of the donor after transfusion.
how to select a healthy donor & care of donor .A healthy donor is one of the most vital part of transfusion medicine for safe transfusion of blood & blood product
Blood groups and blood types Ass.Lec Hussein Hamid Al-hichamyhhsse0418
A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs).
• A blood group also called a Blood Type.
• Classification of blood is based on the presence or absence
of inherited antigenic substances on the surface of red blood
cells (RBCs).
• These antigens may be proteins, carbohydrates,
glycoproteins, or glycolipids, depending on the blood group
system.
A blood group also called a Blood Type
Classification of blood is based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs)
These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system.
The ABO blood group system is the most important blood type system (or blood group system) in human blood transfusion.
ABO blood types are also present in some other animals for example rodents and apes such as chimpanzees, bonobos and gorillas.
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
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Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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Lung Cancer: Artificial Intelligence, Synergetics, Complex System Analysis, S...Oleg Kshivets
RESULTS: Overall life span (LS) was 2252.1±1742.5 days and cumulative 5-year survival (5YS) reached 73.2%, 10 years – 64.8%, 20 years – 42.5%. 513 LCP lived more than 5 years (LS=3124.6±1525.6 days), 148 LCP – more than 10 years (LS=5054.4±1504.1 days).199 LCP died because of LC (LS=562.7±374.5 days). 5YS of LCP after bi/lobectomies was significantly superior in comparison with LCP after pneumonectomies (78.1% vs.63.7%, P=0.00001 by log-rank test). AT significantly improved 5YS (66.3% vs. 34.8%) (P=0.00000 by log-rank test) only for LCP with N1-2. Cox modeling displayed that 5YS of LCP significantly depended on: phase transition (PT) early-invasive LC in terms of synergetics, PT N0—N12, cell ratio factors (ratio between cancer cells- CC and blood cells subpopulations), G1-3, histology, glucose, AT, blood cell circuit, prothrombin index, heparin tolerance, recalcification time (P=0.000-0.038). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and PT early-invasive LC (rank=1), PT N0—N12 (rank=2), thrombocytes/CC (3), erythrocytes/CC (4), eosinophils/CC (5), healthy cells/CC (6), lymphocytes/CC (7), segmented neutrophils/CC (8), stick neutrophils/CC (9), monocytes/CC (10); leucocytes/CC (11). Correct prediction of 5YS was 100% by neural networks computing (area under ROC curve=1.0; error=0.0).
CONCLUSIONS: 5YS of LCP after radical procedures significantly depended on: 1) PT early-invasive cancer; 2) PT N0--N12; 3) cell ratio factors; 4) blood cell circuit; 5) biochemical factors; 6) hemostasis system; 7) AT; 8) LC characteristics; 9) LC cell dynamics; 10) surgery type: lobectomy/pneumonectomy; 11) anthropometric data. Optimal diagnosis and treatment strategies for LC are: 1) screening and early detection of LC; 2) availability of experienced thoracic surgeons because of complexity of radical procedures; 3) aggressive en block surgery and adequate lymph node dissection for completeness; 4) precise prediction; 5) adjuvant chemoimmunoradiotherapy for LCP with unfavorable prognosis.
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To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
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Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
mortality, and public health costs than all illicit drugs combined. The
5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
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2. Purpose of blood typing
• Blood transfusion is a life-saving procedure in all
cases of severe loss of blood, and in life-
threatening anemia.
• However, blood can only be given after blood
grouping which is an essential requirement
before blood is given to any individual
3. PRINCIPLE
• A blood type (also called a blood group) is a
classification of blood based on the presence or absence
of inherited antigenic substances on the surface of red
blood cells (RBCs).
• Blood is characterized into different blood groups,
based on the presence or absence of these antigens or
agglutinogens.
• The ABO blood group is characterized by two glycolipid
antigens, called A and B – depending on whether the
RBCs have none, only one or both antigens, blood
groups are distinguished as type O, type A, type B, or
type AB.
4. Agglutinins of ABO System
• Blood plasma contains antibodies or agglutinins that react with
non-self antigens.
• They are absent in a newborn; the ABO antibodies start appearing in
the plasma by the age of 3–4 months due to cross reactivity of ABO
antigens present in naturally occurring bacteria, viruses, pollen, etc.
present in the environment.
•
• These antigens are absorbed into blood and stimulate the formation
of antibodies against antigens not present in the infants’ red
cells, i.e. those antigens that are recognized as “non-self” by the
body’s immune system.
• Because the resulting antibodies are large IgM-type molecules that
cannot cross the placenta, incompatibility between mother and
foetus is not a common problem.
5.
6. Agglutination
• If someone receives blood of the wrong type, the
worst problem is the reaction of the recipient's
antibodies on the donor's RBCs.
• When the body encounters a foreign antigen,
agglutination occurs.
•
• Agglutination is the clumping of RBCs due to
binding of antibodies (part of the immune
system) to antigen, and causes blockage of
blood vessels and eventually death.
9. RH factor
• In addition to antigens of ABO system, the red cells of humans also contain
an additional antigen, called Rh antigen (or Rh factor).
• There are several varieties of Rh antigen—C, D, E, c, d, and e—but the D
antigen is the most common, and antigenically, the most potent. Therefore,
Rh +ve persons are also called D +ve and Rh –ve are called D –ve.
• Persons whose red cells contain this additional antigen are called “Rh
positive” ( Rh +) while those who lack this antigen are called “Rh
negative” (Rh –).
• However, there are no naturally occurring antibodies against Rh (D)
antigen.
• The Rh (D) antigen is not present in body fluids and tissues, but only
on red cells.
10. Clinical Significance of Rh factor
• Although there are no natural anti-Rh
antibodies, and they never develop
spontaneously, they can be produced only
in Rh –ve persons. This can happen in
either of 2 ways:
11. • In transfusions. When an Rh –ve person receives Rh
+ve blood, there is no immediate reaction since there are
no antibodies. But during the next few weeks/months,
he/she may produce anti-Rh antibodies that will remain
in the blood. (Even 0.5 ml of Rh +ve blood is enough to
produce immune response). However, if within a few
weeks, or even years later, a second Rh +ve blood is
injected, the newly donated red cells will be agglutinated
and hemolysed, thus resulting in a serious transfusion
reaction.
Clinical Significance of Rh
factor
12. In pregnancy. The most common problem due to Rh incompatibility
may arise when an Rh –ve mother (phenotype dd) carries an Rh
+ve fetus
• Normally, no direct contact occurs between maternal and fetal
bloods. However, if a small amount of Rh +ve blood leaks (at the
time of delivery) from the fetus through the placenta into the
mother’s blood, the mother’s immune system will start to make anti-
Rh antibodies.
• As a result, some mothers develop high concentration of anti-Rh
antibodies during the period following delivery. Therefore, the first-
born baby will not be affected.
• However, during the second and subsequent pregnancies, the
mother’s anti-Rh antibodies cross the placental membrane into the
fetus where they cause agglutination and hemolysis. The clinical
condition that develops in the fetus is called “hemolytic disease of
the newborn (HDN)’ or “erythroblastosis fetalis”
13. How can hemolytic disease of the newborn be
prevented? What is the treatment of severe
HDN?
• The condition can be prevented by desensitizing all Rh
–ve mothers by giving them injections of massive doses
of anti-Rh antibodies called Rho(D) immune globulin
after every abortion, miscarriage, or delivery.
• These antibodies bind to and inactivate the fetal Rh
antigens (on fetal red cells) present in maternal
circulation. In this way, the Rh antigens from the
mother’s blood are cleared (removed) before they have
had time to stimulate production of anti-Rh antibodies.
15. Determining Your Own Blood Type
1. Clean your finger with alcohol and let dry.
2. Prick finger with lancet, near the tip but not too close to the nail.
You will need three fairly large drops of blood. Prick so that blood
flows freely. Try squeezing up from your wrist if blood does not
flow after pricking finger.
3. Use one slide for ABO typing and Rh factor. Place three drops of
blood on the slide, add the appropriate typing serum, and
determine your blood type. Be sure the serum dropper does not
touch the drop of blood. Results should be readable in about a
minute.
Figure Mixing the anti-serum with the blood sample to
determine blood type.
16. OBSERVATIONS AND RESULTS
• It is essential that you should be able to
distinguish between “agglutination” and “no
agglutination”. The features of each are:
1. If agglutination occurs, it is usually visible to the
naked eye. The hemolysed red cells appear as
isolated (separate), dark-red masses (clumps)
of different sizes and shapes.
2. There is brick-red coloring of the serum by the
hemoglobin released from ruptured red cells.
17. What is cross matching?
• in transfusion medicine, refers to the test that is
performed prior to a blood transfusion in order to
determine if the donor's blood is compatible with
the blood of an intended recipient.
• Cross-matching is also used to determine
compatibility between a donor and recipient,
in organ transplantation or blood transfusion
18. What is meant by the terms universal donor
and universal recipient?
• Since type O persons do not have either A or B antigens
on their red cells, they are called “universal donors”
because their blood can, theoretically, be given to all 4
blood types.
• Type AB persons are called “universal recipients”
because they do not have circulating agglutinins in their
plasma and can, therefore, receive blood of any type.
19. Why does the ABO-incompatibility rarely
produce hemolytic disease of the newborn?
• The ABO-incompatibility between the
mother and fetus rarely causes Hemolytic
disease of the newborn (HDN).
• The reason is that the anti-A and anti-B
(anti-ABO) antibodies belong to IgM type
of gamma globulins (big size) that do not
cross the placenta.
20. Notes:
• To provide maximum benefit from each blood donation and to
extend shelf-life, blood banks fractionate some whole blood into
several products. The most common of these products are packed
RBCs, plasma, and platelets.
• With regard to transfusions of packed red blood cells, individuals
with type O Rh D negative blood are often called universal donors,
and those with type AB Rh D positive blood are called universal
recipients.
• With regard to transfusions of plasma, this situation is reversed.
Type O plasma, containing both anti-A and anti-B antibodies, can
only be given to O recipients. The antibodies will attack the antigens
on any other blood type. Conversely, AB plasma can be given to
patients of any ABO blood group due to not containing any anti-A or
anti-B antibodies.