Losartan is an angiotensin II receptor antagonist used to treat hypertension and reduce the risk of stroke. It works by blocking angiotensin II receptors to lower blood pressure and improve blood flow. Common side effects include dizziness, upper respiratory infection, and back pain. It is available in tablet forms of 25mg, 50mg and 100mg and is usually taken once daily orally for hypertension or nephropathy in diabetic patients.
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.
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
Drug interactions (DIs) represent an important and widely under recognized source of medication errors. Interactions between food and drugs may inadvertently reduce or increase the drug effect. Some commonly used herbs, fruits as well as alcohol may cause failure of the therapy up a point of to serious alterations of the patient’s health. The majority of clinically relevant food-drug interactions are caused by food induced changes in the bioavailability of the drug. Major side-effects of some diet (food) on drugs include alteration in absorption by fatty, high protein and fiber diets.
Underlying factors:
Classification of drug-food interactions:
Pharmacodynamic interactions
Pharmacokinetic interactions
I. Absorption interactions
II. Transport and distribution interactions
III. Metabolism interactions
IV. Excretion interactions
Grapefruit juice
Alcohol and Medication Interactions
Common Alcohol-Medication Interactions
Specific Alcohol-Medication Interactions
Presentation on co drug strategy for treating hypertension in type iiLatika Budhalakoti
This presentation is on co-drug design, two drugs are chemically linked together for their improved delivery properties so as to reach a site simultaneously achieving better absorption as compared to when co-administered in separate dosage forms.
Obesity is one of the most common factor which underlies the pathophysiology of many other non- communicable diseases. In recent years, its prevalence has blown out of proportions. The term GLOBESITY signfies that. Newer pharmacological developments will definitely play a crucial role in containing this epidemic.
This seminar is my attempt this interesting topic with all the latest data I could collect on the internet.
To be able to describe:
Cholesterol synthesis, source & metabolism
Hyperlipidemia – definition & normal values.
Anti hyperlipidemic drugs: its classification, mechanism of action & side effects.
The natural history of atherosclerosis might involve coronary plaque rupture / erosion, thrombus formation and vessel lumen occlusion, clinically recognized as acute coronary syndrome (ACS). International guidelines strongly recommend early statin administration in patients admitted for ACS. In addition to lowering circulating levels of low-density lipoprotein cholesterol (LDL-c), statin treatment was shown to promote plaque stabilization or regression in several ways, including reduction in necrotic lipid core, anti-inflammatory effects and improvement in endothelial function.
Update on the efficacy of statin treatment in acute coronary syndromes by Rosa, Gian Marco; Carbone, Federico; Parodi, Antonello; Massimelli, Elena A; Brunelli, Claudio; Mach, François (more...) European journal of clinical investigation, 05/2014, Volume 44, Issue 5, 501 - 515
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.
- 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
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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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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
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
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.
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.
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.
The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
It surrounds the urethra just below the urinary bladder. It has anterior, median, posterior and two lateral lobes
It’s work is regulated by androgens which are responsible for male sex characteristics
Generalised disease of the prostate due to hormonal derangement which leads to non malignant enlargement of the gland (increase in the number of epithelial cells and stromal tissue)to cause compression of the urethra leading to symptoms (LUTS
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
2. A) Introduction :
Losartan (Cozaar) belongs to a group of drugs called angiotensin II
receptor antagonists (ARBs). It keeps blood vessels from narrowing, which
lowers blood pressure and improves blood flow.
It is on the World Health Organization's List of Essential Medicines, the most
most effective and safe medicines needed in a health system.
3. B) i- Chemical name : ( –Butyl–4Chloro–1-[(2–(1htetrazol–5–yl)[11–
biphenyl]- 4yl methyl]–1h–imidazole–5–methanol potassium
ii- Structure :
4. iii) Molecular formula : C22H23ClN6O
iv) Molecular weight : 461.00
V) Melting Point : 184 °C
Description : white crystalline Powder
5. 1
losartan Cozaar Tablet 100mg Merch sharp
and Dhome of
Pak Ltd
2
- Encertine Tablet 25 mg English
Pharmacutical
industries
3
- Eziday Tablet 100 mg Werrick
Pharmaceutic
ls
4
- Corik Tablet 50 mg Razee
therapeutics
PVT LTD.
5
- Cardive Tablet 50mg Olive
Laboratories.
6.
7.
8.
9.
10. 2) Indication :
Treatment of hypertension, to lower blood pressure in adults and
children greater than 6 years old. Lowering blood pressure
the risk of fatal and nonfatal cardiovascular events, primarily
and myocardial infarctions
Reduction of the risk of stroke in patients with hypertension and
left ventricular hypertrophy. There is evidence that this benefit
does not apply to Black patients.
Treatment of diabetic nephropathy with an elevated serum
creatinine and proteinuria in patients with type 2 diabetes.
12. ADVERSE REACTIONS “
Most common adverse reactions (incidence ≥2% and
greater than placebo) are:
i) dizziness
ii) upper respiratory infection
iii) nasal congestion and
iv) back pain
13. 3) DOSAGE FORMS AND STRENGTHS:
Tablets: 25mg; 50mg; and 100mg.
Route of Administration: ORAL
14. 4) Dosage & Administration :
In Hypertension;
Usual adult dose: 50mg once daily
Usual pediatric starting dose: 0.7 mg per kg once daily (up to 50 mg)
In Hypertensive Patients with Left Ventricular Hypertrophy;
Usual starting dose: 50mg once daily Add hydrochlorothiazide 12.5mg
to 100 mg losartan
followed by an increase to hydrochlorothiazide 25mg
if further blood pressure response is needed.
In Nephropathy in Type 2 Diabetic Patients;
Usual dose: 50mg once daily.
Increase dose to 100 mg once daily if further blood pressure
response is needed.
15. 5) Clinical Pharmacology:
A)Pharmacodynamics :
Mechanism of action ;
As we know that losartan potassium is a non-peptide molecule,
angiotensin II receptor (type AT1) antagonist . Losartan and its principal
active metabolite block the vasoconstrictor and aldosterone-secreting effects
effects of angiotensin II by selectively blocking the binding of angiotensin II
to the AT1 receptor found in many tissues, (e.g., vascular smooth muscle,
adrenal gland)
16.
17.
18.
19. b. Pharmacokinetics :
Absorption:
Following oral administration, Losartan is well absorbed and undergoes
substantial first-pass metabolism; the systemic bioavailability of Losartan is
approximately 33%.
Distribution:
The volume of distribution of Losartan and the active metabolite is about 34
liters and 12 liters, respectively.
Biotransformation:
About 14% of an orally administered dose of Losartan is converted to the
active metabolite
20. Metabolism:
Losartan Potassium undergoes substantial first-pass metabolism by cytochrome P450
enzymes. In vitro studies indicate that cytochrome P450 2C9 and 3A4 are involved in
the biotransformation of Losartan to its metabolites.
Excretion:
When Losartan is administered orally, about 4% of the dose is excreted unchanged in
the urine and about 6% is excreted in urine as active metabolite.
21. DRUG INTERACTIONS :
i) Lithium: Risk of lithium toxicity.
ii) NSAIDs: Increased risk of renal impairment and reduced diuretic,
natriuretic, and antihypertensive effects.
iii) Dual inhibition of the renin-angiotensin system: Increased risk of
renal impairment, hypotension, syncope, and hyperkalemia.
22.
23.
24.
25. Warning :
When pregnancy is detected, discontinue losartan as soon as possible.
Drugs that act directly on the renin-angiotensin system can cause injury and
death to the developing fetus.
Precaution :
Hypotension: Correct volume or salt depletion prior to administration of
losartan k.
Monitor renal function and potassium in susceptible patients.