Hematinics such as iron, vitamin B12, folic acid, and erythropoietin are used to treat various types of anemia. Iron deficiency, vitamin B12 or B9 deficiency, blood loss, and bone marrow disorders can all cause anemia by disrupting the balance of red blood cell production and destruction. Oral iron supplements are usually the first treatment for iron-deficiency anemia, while vitamin B12 and B9 deficiencies may be treated with supplements or injections depending on severity. Erythropoietin injections can help stimulate red blood cell production in conditions like chronic kidney disease or cancer chemotherapy-induced anemia.
Detailed information of all terms like Thyroid gland, Thyroxine, Triidothyronine, Calcitonine, growth and development , propylthiouracil, Calorigenesis, tadpole to frog, Oligomenorrhoea, snehal chakorkar, pharmacology, Cretinism, Myxoedema coma, Graves disease, Thiocynates, Perchlorate, Nitrates.
Radioactive iodine, I131
Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones
Detailed information of all terms like Thyroid gland, Thyroxine, Triidothyronine, Calcitonine, growth and development , propylthiouracil, Calorigenesis, tadpole to frog, Oligomenorrhoea, snehal chakorkar, pharmacology, Cretinism, Myxoedema coma, Graves disease, Thiocynates, Perchlorate, Nitrates.
Radioactive iodine, I131
Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones
It is a anti- hypertensive drug. It is non-selective beta blocker drug. Hence it is beta blocker drug so it has many side effect.Not only Propranolol but also Timolol,Atenolol are beta blocker drugs.
Introduction.
Classification .
Drugs used in Coagulant and Anticoagulant Agents
Mechanism of action .
Structure
Synthesis
Adverse Drug Reactions .
Uses.
Reference
It is a anti- hypertensive drug. It is non-selective beta blocker drug. Hence it is beta blocker drug so it has many side effect.Not only Propranolol but also Timolol,Atenolol are beta blocker drugs.
Introduction.
Classification .
Drugs used in Coagulant and Anticoagulant Agents
Mechanism of action .
Structure
Synthesis
Adverse Drug Reactions .
Uses.
Reference
New Drug Discovery and Development .....NEHA GUPTA
The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
Prix Galien International 2024 Forum ProgramLevi Shapiro
June 20, 2024, Prix Galien International and Jerusalem Ethics Forum in ROME. Detailed agenda including panels:
- ADVANCES IN CARDIOLOGY: A NEW PARADIGM IS COMING
- WOMEN’S HEALTH: FERTILITY PRESERVATION
- WHAT’S NEW IN THE TREATMENT OF INFECTIOUS,
ONCOLOGICAL AND INFLAMMATORY SKIN DISEASES?
- ARTIFICIAL INTELLIGENCE AND ETHICS
- GENE THERAPY
- BEYOND BORDERS: GLOBAL INITIATIVES FOR DEMOCRATIZING LIFE SCIENCE TECHNOLOGIES AND PROMOTING ACCESS TO HEALTHCARE
- ETHICAL CHALLENGES IN LIFE SCIENCES
- Prix Galien International Awards Ceremony
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Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
É fornecido um conjunto abrangente de recomendações para cuidados durante o período puerperal, com ênfase nos cuidados essenciais que todas as mulheres e recém-nascidos devem receber, e com a devida atenção à qualidade dos cuidados; isto é, a entrega e a experiência do cuidado recebido. Estas diretrizes atualizam e ampliam as recomendações da OMS de 2014 sobre cuidados pós-natais da mãe e do recém-nascido e complementam as atuais diretrizes da OMS sobre a gestão de complicações pós-natais.
O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
Vamos discutir essas recomendações no nosso curso de pós-graduação em Aleitamento no Instituto Ciclos.
Esta publicação só está disponível em inglês até o momento.
Prof. Marcus Renato de Carvalho
www.agostodourado.com
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
2 Case Reports of Gastric Ultrasound
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
There are a number of conditions that present acutely, predominantly with pain and/or swelling
A careful and detailed history and examination, and in some cases, investigations allow differentiation between these diagnoses. A prompt diagnosis is essential as the patient may require urgent surgical intervention
Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
Testicular torsion results from inadequate fixation of the testis to the tunica vaginalis producing ischemia from reduced arterial inflow and venous outflow obstruction.
The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
2. HAEMATINICS are substances required in the
formation of blood, and are used for treatment of
anaemias.
• Anaemia occurs when the balance between
production and destruction of RBCs is disturbed by:
(a) Blood loss (acute or chronic)
(b) Impaired red cell formation due to:
• Deficiency of essential factors, i.e. iron, vitamin B12 &
folic acid.
• Bone marrow depression (hypoplastic anaemia),
erythropoietin deficiency.
(c) Increased destruction of RBCs (haemolytic anaemia)
3. ANAEMIA Types:
Normocytic, normochromic anaemia
Acute blood loss
Microcytic, hypochromic anaemia
Iron deficiency anaemia, thalessimia
Macrocytic anaemia
Vit B12 deficiency, folic acid deficiency
Pernicious anaemia
Vit B12 deficiency
Hemolytic anaemia
Destruction of RBC
Sickle cell anaemia
Sickle shaped RBC
Aplastic anaemia
Bone marrow disorder
4. • IRON is an essential body constituent. It is an
essential constituent of hemoglobin, cytochrome, and
other components of respiratory enzyme systems. Its
chief functions are in the transport of oxygen to tissue
(hemoglobin) and in cellular oxidation mechanisms.
Depletion of iron stores may result in iron-deficiency
anemia. Iron is used to build up the blood in
anemia.Total body iron in an adult is 2.5–5 g. It is
more in men (50 mg/kg) than in women (38 mg/kg). It
is distributed into:
• Haemoglobin (Hb) : 66%
• Iron stores as ferritin and haemosiderin: 25%
• Myoglobin (in muscles) : 3%
• Parenchymal iron (in enzymes, etc.) : 6%
6. • Haemoglobin is a protoporphyrin; each molecule
having 4 iron containing haeme residues. It has
0.33% iron; thus loss of 100 ml of blood (containing
15 g Hb) means loss of 50 mg elemental iron. To
raise the Hb level of blood by 1 g/dl—about 200 mg
of iron is needed. Iron is stored only in ferric form,
in combination with a large protein apoferritin.
7. Iron is found in two forms:
• Heme Iron: Meat, Myoglobin
• Non-Heme Iron: Cereals, Fruits, Legumes
Vitamin C increases absorption of Non-Heme
Iron
Iron is absorbed via two mechanisms:
i) active transport of ferrous iron and
ii) absorption of iron complexed with heme
9. • MOA: Iron is important component of hemoglobin that
carries oxygenated blood from lungs to different body parts.
It also acts as catalyst for many metabolic reactions essential
for cell growth. It maintains a healthy immune system & aids
in energy production. It is transported inside mucosal cell by
DMT1 & across basolateral membrane BY FP1 transporter
protein . Iron released into plasma binds to transferrin &
transported to different cells.
• Indication:
• Dietary Iron deficiency
• Pregnancy
• Premature babies
• Malabsorption
• Haemodialysis
• Anaemia
10. Oral iron
• The preferred route of iron administration is oral.
• Ferrous sulfate: (hydrated salt 20% iron, dried salt 32% iron)
• Ferrous gluconate (12% iron)
• Ferrous fumarate (33% iron)
Dose: 200 mg elemental iron (infants and children 3–5 mg/kg) TDS
Absorption is much better in empty stomach.
A/E: Gastric Irritaion, Constipation, Staining of teeth, Metallic taste
Parenteral iron
• Iron therapy by injection is indicated only when:
1. Oral iron is not tolerated: bowel upset is too much.
2. Failure to absorb oral iron: inflammatory bowel disease.
3. Non-compliance to oral iron.
4. In presence of severe deficiency with chronic bleeding.
5. Along with erythropoietin.
• IRON DEXTRAN
• IRON SUCROSE, DOSE: 75mg i.m (Max 100mg i.m.)
11. ACUTE IRON POISONING
• It occurs mostly in infants and children: 10–20 iron tablets or
equivalent of the liquid preparation (> 60 mg/kg iron) may
cause serious toxicity in them.
• Manifestations are vomiting, abdominal pain, haematemesis,
diarrhoea, lethargy, cyanosis, dehydration, acidosis,
convulsions; finally shock, cardiovascular collapse and death.
• Treatment It should be prompt.
To prevent further absorption of iron from gut
(a) Induce vomiting or perform gastric lavage with sodium
bicarbonate solution
(b) Give egg yolk and milk orally: to complex iron.
To bind and remove iron already absorbed Desferrioxamine (an
iron chelating agent) is the drug of choice. It should be injected
i.m. (preferably) 0.5–1 g (50 mg/kg) repeated 4–12 hourly as
required, or i.v. (if shock is present) 10–15 mg/kg/hour; max 75
mg/kg in a day till serum iron falls below 300 μg/dl.
13. VITAMIN B12 (COBALAMIN)
• It occurs as red crystals synthesized in nature only by
microorganisms; plants and animals acquire it from
them.
• MOA: Vitamin B12 is essential constituents of the
human diet, being necessary for DNA synthesis and
consequently for cell proliferation.
• Vitamin B12 is important in the normal functioning
of the nervous system due to its role in the synthesis
of myelin and in the maturation of developing red
blood cells in the bone marrow.
• Dietary sources Liver, kidney, sea fish, egg yolk, meat,
cheese, legumes, etc.
• Daily requirement 1–3 μg, pregnancy and lactation
3–5 μg.
14. Vitamin B12 is a family of related compounds
containing a cobalt atom (cobalamins).
The two dietary forms of vitamin B12 are
available and they are known as
methylcobalamin (methyl-B12) and 5-
deoxyadenosylcobalamin (coenzyme-B12).
Synthetic forms of vitamin B12 are known as
hydroxy-cobalamin and cyanocobalamin (not
occur naturally in foods).
15.
16. Vitamin B12 is required for:
A. Conversion of methyl-FH4 to active formyl-FH4, which is
a co-factor in the synthesis of purines and pyrimidines.
B. Isomerisation of methylmalonyl-CoA to succinyl-CoA.
17. • METHYLCOBALAMIN is the active coenzyme form of
vit B12 for synthesis of methionine and S-
adenosylmethionine that is needed for integrity of
myelin.
• This preparation of vit B12 in a dose of 1.5 mg/day
has been especially promoted for correcting the
neurological defects in diabetic, alcoholic and other
forms of peripheral neuropathy.
• Indications:
a) Megaloblastic anemia
b) Neurologic syndrome associated with cobalamin
deficiency
c) Pernicious anemia
d) Treatment of vit B12 deficiency
19. VITAMIN B9 (FOLIC ACID)
• It occurs as yellow crystals which are insoluble in
water, but its sodium salt is freely water soluble.
• Chemically it is Pteroyl glutamic acid (PGA)
consisting of pteridine + paraaminobenzoic acid
(PABA) + glutamic acid.
• MOA: Folic acid is a precursor needed to make,
repair, and methylate DNA; a cofactor in cell
division and growth, such as in infancy and
pregnancy.
• Folate is itself inactive. After absorption it is
converted into the active coenzyme, tetrahydrofolic
acid, essential for amino acid and DNA biosynthesis
and cell division.
20.
21. Folate deficiency occurs due to:
(a) Inadequate dietary intake
(b) Malabsorption: especially involving upper intestine—coeliac
disease, tropical sprue, regional ileitis, etc.
(c) Biliary fistula; bile containing folate for recirculation is drained.
(d) Chronic alcoholism: intake of folate is generally poor.
(e) Increased demand: pregnancy, lactation, rapid growth periods,
haemolytic anaemia and other diseases.
(f) Drug induced: prolonged therapy with anticonvulsants
(phenytoin, phenobarbitone, primidone) and oralcontraceptives—
interfere with absorption and storage of folate.
Manifestations of deficiency are:
(i) Megaloblastic anaemia, indistinguishable from that due to vit
B12 deficiency.
(ii) Epithelial damage: glossitis, enteritis, diarrhoea, steatorrhoea.
(iii) Neural tube defects, including spina bifida in the offspring, due
to maternal folate deficiency.
22. Sources : yeast , liver , green vegetables, fruits , nuts and
cereals
Daily requirements : Adult: 50 mcg / day
Pregnant women : 100-200 mcg / day
Lactating women : 100-200 mcg / day
Dose: Therapeutic 2 to 5 mg/day, prophylactic 0.5 mg/day.
Indications:
1) Treat magaloblastic anemia due to folate deficiency
2) Pregnant women
3) Premature infants
4) Patients with hemolytic anemia
5) Methotrexate toxicity
6) Citrovorum factor rescue
7) Enhance anticancer efficacy of 5-fluorouracil
8) With anticonvulsant drugs
23. ERYTHROPOIETIN is a glycoprotein, normally
made by the kidneys, that regulates red blood cell
proliferation and differentiation in bone marrow.
(a)Stimulates proliferation of colony forming cells.
(b)Induces haemoglobin formation & erythroblast
maturation.
(c)Releases reticulocytes in the circulation.
The recombinant human erythropoietin (Epoetin α, β) is
administered 25–100 U/kg by i.v. or s.c. injection 3 times
a week.
24. Indication:
• Anaemia
• Chronic Renal failure
(patients with Hb ≤ 8 g/dl should be considered for EPO)
• Anaemia in AIDS patients treated with zidovudine.
• Cancer chemotherapy induced anaemia.
• Preoperative increased blood production for
autologous transfusion during surgery.
• A/E: Increased clot formation in the A-V shunts (most
patients are on dialysis), hypertensive episodes,
serious thromboembolic events, occasionally seizures
& Flu like symptoms.