The document discusses different branches and topics related to pharmacology:
1. It outlines three main branches of pharmacology - pharmacotherapeutics, pharmacodynamics, and pharmacokinetics.
2. It provides information on oral transmucosal drug administration and how it can lead to rapid drug effects.
3. It defines first-order and zero-order reactions and discusses how drug reactions can change order.
This high-level summary captures the key topics and structure discussed in the document in under 3 sentences.
Cardiovascular pharmacology
Cardiovascular (=Circulatory) system – heart and blood vessels
Arteries – transport blood to tissues
Capillaries – sites of exchange, fluid O2, CO2, nutrients etc.
Venules – collect blood from capillaries
Veins – transport blood back to heart
Blood moves within vessels – higher pressure to lower pressure
Resistance to flow depends on vessel diameter, length and viscosity of blood
A Practical Approach to Ionotropes and vasopressors Aneesh Bhandary
Vasopressors are a powerful class of drugs that induce vasoconstriction and Inotropes increase cardiac contractility. Choice of an agent should be based upon the suspected underlying etiology of shock.
This presentation deals with the practical issues and controversies surrounding the use of these agents
Cardiovascular pharmacology
Cardiovascular (=Circulatory) system – heart and blood vessels
Arteries – transport blood to tissues
Capillaries – sites of exchange, fluid O2, CO2, nutrients etc.
Venules – collect blood from capillaries
Veins – transport blood back to heart
Blood moves within vessels – higher pressure to lower pressure
Resistance to flow depends on vessel diameter, length and viscosity of blood
A Practical Approach to Ionotropes and vasopressors Aneesh Bhandary
Vasopressors are a powerful class of drugs that induce vasoconstriction and Inotropes increase cardiac contractility. Choice of an agent should be based upon the suspected underlying etiology of shock.
This presentation deals with the practical issues and controversies surrounding the use of these agents
inotropic drugs and vassopressors drugs.pptxAhmed638947
this presentation is toalking about the Sympathomimetic drugs which are agents which in general mimic responses due to stimulation of sympathetic nerves.
These agents are able to directly activate adrenergic receptors or to indirectly activate them by increasing norepinephrine and epinephrine (mediators of the sympathoadrenal system) levels.
These drugs are used clinically to treat glaucoma, anaphylactic shock, chronic obstructive pulmonary disease, hypotension, hypertension, heart failure, nasal congestion, premature labor, attention-deficit/hyperactivity disorder, narcolepsy, and acute or chronic asthma. The α or β adrenergic antagonists block or attenuate the effect of sympathomimetics on α or β receptors. Alpha blockers are used clinically to treat hypertension and benign prostatic hyperplasia. Beta blockers are used clinically to treat ischemic heart disease, essential hypertension, cardiac arrhythmias, congestive heart failure, glaucoma, hyperthyroidism, surgical removal of pheochromocytoma, nonparkinsonian tremor, migraine headache (prophylaxis), and a wide variety of anxiety situations.
The term inotropic state is most commonly used in reference to various drugs that affect the strength of contraction of heart muscle (myocardial contractility). However, it can also refer to pathological conditions. For example, enlarged heart muscle (ventricular hypertrophy) can increase inotropic state, whereas dead heart muscle (myocardial infarction) can decrease it.
About pharmacological classification of sympathetic nervus system both sympathomimetics and sympatholytics drug and all about his pharmacokinetics and pharmacodynamics action on body
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
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
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
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
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
- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
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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.
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
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
Evaluation of antidepressant activity of clitoris ternatea in animals
pharmacology
1. Branches of pharmacology
1-Pharmacotherapeutic: ( clinical pharmacology)
It deals with relative effect of drugs in the human system for
various disorders
“The study of drug action in man”.
2- Pharmacodynamic:
“What the drug does to the body” (the relationship between
drug concentration in the body ).
3-Pharmacokinetics:
“what the body does to the drug.” ( the time course of drug
concentration in the body ).
pharmacology
2. Oral Transmucosal Administration
The sublingual or buccal route of
administration permits a rapid onset
of drug effect, because it bypasses
the liver and thus prevents the first-
pass hepatic effect on the initial
plasma concentration of drug.
3. First-order reaction
A reaction whose rate depends upon the
concentration of the reacting components.
This is an exponential process.
Zero-order reaction
A reaction whose rate is independent of the
concentration of reacting components
and is, therefore, constant. A first-order
reaction may become zero order when the
enzyme system is saturated.
4. EVENTS RESPONSIBLE FOR
VARIATIONS IN DRUG RESPONSES
BETWEEN INDIVIDUALSPharmacokinetics
Bioavailability
Renal function
Hepatic function
Cardiac function
Patient age
Pharmacodynamics
Enzyme activity
Genetic differences
Drug Interactions
5. Organs or body tissues
responsible for metabolism:
– Liver (mainly)
– Skeletal muscle
– Kidneys
– Lungs
– Plasma
– Intestinal mucosa
6. Excretion
Removal of drugs from body
• Kidneys (main organ) Whether the
drug is an original compound (parent
compound), an active or an inactive
metabolite----
• Liver
• Bowel
– Biliary excretion
– Enterohepatic recirculation
8. • The time it takes for one half of
the original amount of a drug in the
body to be removed
• A measure of the rate at which
drugs are removed from the body
• Most drugs are considered to be
effectively removed after about
five half-lives
10. Catecholamines
Substances that can produce
a sympathomimetic response
Endogenous:
• epinephrine, norepinephrine,dopamine
Synthetic:
• isoproterenol, dobutamine
11. Adrenergic Agents
Mechanism of Action
Direct-acting sympathomimetic:
Binds directly to the receptor and causes a
physiologic response
12. Adrenergic Agents
Mechanism of Action
Indirect-acting sympathomimetic:
Causes the release of catecholamine
from the storage sites (vesicles) in the
nerve endings
The catecholamine then binds to the
receptors and causes a physiologic
response
13. Adrenaline
Presentation & uses
Clear solution containing 0.1–1 mg/ml
IV bolus in asystole or anaphylaxis
IV infusion (0.01–0.5 μg/kg/min) in critically ill
with circulatory failure
Nebulized into upper airway → edematous
obstruction
1% ophthalmic solution → open-angle
glaucoma
In combination with LA (1 in 80 000–200 000)
14. Effects
Exerts effects via α- & β-adrenoceptors
Cardiovascular – vary according to dose
•Low-dose IVI → ↑CO, ↑myocardial oxygen
consumption & coronary artery dilatation
•High doses IVI or 1 mg bolus in cardiac arrest
→ ↑SVR
•If infiltrated into areas supplied by end arteries
→ vascular supply become compromised
•Extravasation → tissue necrosis
15. Effects
Respiratory
Bronchodilator
↑PVR
Metabolic
↑Basal metabolic rate
↑Plasma glucose by stimulating glycogenolysis (liver &
skeletal muscle), lipolysis & gluconeogenesis
Central nervous system
↑MAC and increases the peripheral pain threshold.
Renal
↓Renal blood flow
↑Bladder sphincter tone → difficulty micturition
16. Side effects
1-Fatal ventricular fibrillation
2-Cerebral hemorrhage
3- Urinary retention
4- Headache
5- Necrosis at injection side
6-Blurring of vision, photophobia
Volatile anesthetics (halothane) potentiate
dysrhythmic effects of epinephrine
19. ↓Renal blood flow & ↑myocardial
oxygen requirements limit its
usefulness to treatment of refractory
shock, which requires potent
vasoconstriction to maintain tissue
perfusion pressure.
Extravasation at site of administration
cause tissue necrosis
23. Phenylephrine
Direct α1-agonist
Peripheral vasoconstriction → ↑SVR &
↑ABP
Reflex bradycardia → ↓CO
IV boluses of 50–100 μg (0.5–1 μg/kg)
rapidly reverse reductions in BP caused by
peripheral vasodilation (spinal anesthesia)
A continuous infusion (100 μg/mL at rate
of (0.25–1 μg/kg/min) maintain ABP but at
expense of renal blood flow
24. Ephedrine
Non-catecholamine direct & indirect
acting
Cardiovascular effects are similar to
epinephrine ↑BP, ↑HR, ↑contractility &
↑CO
Bronchodilator
Stimulates CNS
Does not ↓uterine blood flow (preferred
vasopressor for obstetric???)
27. Dobutamine
Relatively selective β1 agonist
Its primary cardiovascular effect ↑CO
as a result of ↑myocardial
contractility.
Heart rate increases are less marked
than with other β agonists
Favorable effects on myocardial oxygen
balance make it a good choice for
patients with congestive heart failure &
28. Albuterol / Salbutamol /
Ventolin
Sympathomimetic agent
Stimulate β2 receptors of
bronchi leading to
bronchodilation
35. Clinical Considerations
↓PVR & ↓BP
HR & CO slightly depressed or
unchanged
↓BP without reflex tachycardia
because of its combination of α & β
effects
Peak effect occurs within 5 min after
IV dose
39. Clinical Considerations
Prevent tachycardia & hypertension
in response to intubation, surgical
stimulation & emergence
Control ventricular rate of AF or
flutter
Short duration of due to rapid
redistribution & hydrolysis by red
blood cell esterase
40. Side effects
* Reversed within minutes by
discontinuing its infusion
* Avoided in patients
_Sinus bradycardia
_Heart block greater than first
degree
_Cardiogenic shock
_Heart failure
48. Indications
1- Heart failure :ACE inhibitors are used in
all grades of heart failure, usually combined
with a beta-blocker
2- Hypertension :An ACE inhibitor may be
the most appropriate initial drug for
hypertension in younger patients
3- Prophylaxis of cardiovascular events
ACE inhibitors are used in the early and
long-term management of patients who
have had a myocardial infarction
52. Within the category of direct vasodilators,
1-sodium nitroprusside 2- nitroglycerin and
3-hydralazine are the three drugs most
commonly employed .
All three produce direct vasodilation.
Sodium nitroprusside produces arterial and
venous relaxation
Nitroglycerin has a greater effect on venous
than arterial relaxation
Hydralazine produces primarily arterial
relaxation.
53. The mechanism of action of all
three agents is believed to be
primarily an induced increase in
the concentration of vascular
nitric oxide
56. Its rapid onset (within seconds) and
its short duration of action (1-3 min)
make it unique among agents for the
rapid control of blood pressure.
Sodium nitroprusside reduces both
afterload and preload
58. Nitroglycerin is used in the
treatment of angina pectoris and
ischemia under anesthesia and also
can be used for lowering blood
pressure.
It has a rapid onset and short
duration so it is easily titratable.
61. Hydralazine causes direct relaxation
of arterial smooth muscle.
It can be administered intravenously
for the control of hypertension in
doses ranging from 2.5 to 20 mg.
Tachycardia frequently accompanies
the decrease in blood pressure
secondary to the preferential
reduction in afterload.
62. Hydralazine undergoes hepatic
metabolism with renal excretion.
Acetylation is partly responsible for
the metabolism of hydralazine.
Slow acetylators may be more prone
to a drug-induced lupus syndrome
that can result from high serum
concentrations of hydralazine during
chronic treatment.
64. Calcium channel blockers reduce the flow
of Ca2+ into the cell and cause a much
smaller release of Ca2+ from the
sarcoplasmic reticulum.
All calcium channel blockers produce
vasodilation and reduce arterial pressure,
which leads to a reduction in left
ventricular afterload.
65. Calcium antagonists are used to
reduce peripheral resistance in the
management of
1-
hypertension
2- to treat cerebral vasospasm after
SAH They also
slow conduction and impulse
formation in areas of the heart and
can be used as antiarrhythmic
66. The various calcium channel
blockers show differences in their
affinity for vascular smooth
muscle and cardiac muscle cells.
67. Nifedipine and Nicardipine are much
more effective vasodilators than
myocardial depressants
Verapamil is used for its ability to slow
conduction through the heart and has
little effect on vascular muscle tone.
Diltiazem has vasodilator action as well
as antiarrhythmic effects.
70. Contraindications:
hypotension, cardiac shock, and MI.
Side effects: AV block,
bradycardia, headache, dizziness,
abdominal cramps, blurring of
vision, and edema. .
Dosage: Initial 80-120 mg tid
then 240-480 mg /day.
73. Contraindications: hypersensitivity,
lactation.
Side effects: pulmonary and
peripheral edema, MI, hypotension,
headache, muscle cramps.
Dosage: 10- 30 mg tid.
In hypertensive emergencies: 10-20 mg
given orally or sublingually by
puncturing the capsule and squeezing
contents under the tongue.