The document summarizes several physiological changes that occur during pregnancy. The uterus enlarges significantly from 30-60 grams to 800-1100 grams due to stretching, hypertrophy, increased tissue, and accumulation of fibrous tissue stimulated by estrogen. The cervix and vagina undergo changes like increased vascularity and thickness. Other systems affected include increased blood volume, cardiovascular changes like lower blood pressure, respiratory changes like increased ventilation, and renal changes like increased glomerular filtration rate. Hormonal changes induce thyroid and adrenal gland enlargement along with increased secretions. Psychological changes can include mood alterations and sleep decreases. The document also briefly outlines metabolic changes like increased weight gain and retention of water and sodium. Pregnancy tests
This topic contains detailed description regarding Normal puerperium, it's definition, duration, phases, involution of uterus and other pelvic organs, lochia, general physiological changes of puerperium, lactation, management of normal puerperium, management of ailments and postnatal care.
This topic contains detailed description regarding Normal puerperium, it's definition, duration, phases, involution of uterus and other pelvic organs, lochia, general physiological changes of puerperium, lactation, management of normal puerperium, management of ailments and postnatal care.
Physiological changes during pregnancyDeepa Mishra
PHYSIOLOGICAL CHANGES DURING PREGNANCY
Deepa Mishra
Assistant Professor (OBG)
Pregnancy
Pregnancy usually occurs during 15-44 yrs of a woman.
Duration of pregnancy from LMP is 280 days or 40 weeks or 9 months and 7 days
Three trimester-
1st Trimester -0 -12 weeks
2nd trimester – 13-28 weeks
3rd trimester -29-40 weeks s
Physiological changes
Reproductive system
Hematological and Cardiovascular changes
Respiratory, Acid base balance, electrolyte changes
Urinary changes
GI changes
Metabolic changes
Skeletal and neurological changes
Skin changes
Endocrinal changes
Psychological changes
Physiological changes during pregnancyDeepa Mishra
PHYSIOLOGICAL CHANGES DURING PREGNANCY
Deepa Mishra
Assistant Professor (OBG)
Pregnancy
Pregnancy usually occurs during 15-44 yrs of a woman.
Duration of pregnancy from LMP is 280 days or 40 weeks or 9 months and 7 days
Three trimester-
1st Trimester -0 -12 weeks
2nd trimester – 13-28 weeks
3rd trimester -29-40 weeks s
Physiological changes
Reproductive system
Hematological and Cardiovascular changes
Respiratory, Acid base balance, electrolyte changes
Urinary changes
GI changes
Metabolic changes
Skeletal and neurological changes
Skin changes
Endocrinal changes
Psychological changes
Maternal physiological changes in pregnancy are the adaptations during pregnancy that a woman's body undergoes to accommodate the growing embryo or fetus. ... The pregnant woman and the placenta also produce many other hormones that have a broad range of effects during the pregnancy.
PHYSIOLOGY OF REPRODUCTIVE SYSTEM- pdf
https://nabeelbeeran.blogspot.com/
https://youtu.be/4vgskc6LFzM
Sexual growth & development
Puberty
Male & Female Reproductive System
Testosterone
Menstrual cycle
Ovulation
Placenta
Pregnancy, Parturition & Lactation
Prgnancy Tests
Contraception
IUDs
Guyton
Ganong
Indu Khurana
G K Pal
A K Jain
https://nabeelbeeran.blogspot.com/
https://youtu.be/ur3LZGVuLI0
CLASSIFICATION & PROPERTIES OF NERVE FIBERS-
CLASSIFICATION OF NERVE FIBERS
PROPERTIES OF NERVE FIBERS :
1. EXCITABILITY
2. CONDUCTIVITY
3. ALL OR NONE LAW
4. REFRACTORY PERIOD
Stimulus – A change in environment which brings about a change in potential across a membrane in an excitable tissue
Electrical Chemical Thermal Mechanical 14
STRENGTH-DURATION CURVE TIME
UTILISATION TIME
STRENGTH RHEOBASE 2 X RHEOBASE
CHRONAXIE
https://nabeelbeeran.blogspot.com/
PHAGOCYTOSIS- History • Introduction • Phases of phagocytosis :- a) Margination b) Diapedesis c) Chemotaxis d) Opsonization or Attachment e) Engulfment orIngestion f) Secretion or Degranulation g) Killing or Degradation • Applied Aspects • Recent Advances
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
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- 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
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Title: Sense of Smell
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 primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
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
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
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
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
MANAGEMENT OF ATRIOVENTRICULAR CONDUCTION BLOCK.pdfJim Jacob Roy
Cardiac conduction defects can occur due to various causes.
Atrioventricular conduction blocks ( AV blocks ) are classified into 3 types.
This document describes the acute management of AV block.
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.
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.
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.
3. UTERUS
• Non pregnant uterus-: 30-60 gm.
• Pregnant uterus-: 800-1100 gm.
• Piriform shape→ globular & ovoid by 12 weeks of
gestation
• Uterine enlargement -Stretching, hypertrophy of muscle.
-Accumulation of fibrous tissue.
-Increase in elastic tissue content.
• All these effect are seen during the first 2-3 months of
pregnancy due to estrogen.
• Subsequent enlargement of uterus is due to growing
fetus.
Source:https://courses.lumenlearning.com/suny-ap2/chapter/maternal-changes-during-pregnancy-labor-and-birth
6. Weight gain
10 - 12.5 kg.
• Fetus: 3 kg.
• Placenta and amniotic fluid: 1.5 kg.
• Uterus and breast enlargement: 1 kg.
• Blood volume and interstitial fluid: 1.5 kg.
• Fat deposition: 3.5-4 kg.
7. Haematological changes
• Blood volume: increases by 30-40%.
• Hematological indices:
– RBC, PCV, Hb concentration decreases producing
anemia called physiological anemia of pregnancy.
• Plasma proteins:-Total plasma concentration decreases.
-Serum fibrinogen increases.
-Serum albumin is decreased but α and
β globulins concentration increases (compensatory
increase).
8. Cardiovascular system
• Heart enlarges due to pressure of the enlarging uterus
on the diaphragm.
• Cardiac output increases due to increase in stroke
volume and heart rate.
• Arterial blood pressure: Both SBP and DBP decreases.
• Venous pressure: Femoral venous pressure increase
due to pressure of enlarged uterus on the pelvic veins.
• Blood flow through the hand and forearm increases.
This increased flow helps in loss of excess heat
produced by increased body metabolism.
9. Respiratory system
• Body oxygen consumption: increases by 15%.
• Pulmonary ventilation increases due to increase in
tidal volume and frequency of breathing. This may
be due to increase in progesterone level which
increase the sensitivity of respiratory center to CO2
and causes fall in arterial pCO2.
10. Renal system
• Renal blood flow: increases.
• GFR: increases.
• Increase GFR increases the load of solutes presented
for reabsorption.
• Glycosuria, proteinuria.
11. Gastrointestinal changes
• Morning sickness: feeling of nausea and vomiting in
early months of pregnancy.
• Hypochlorhydria.
• Heartburn.
• Decrease in motility of stomach and colon.
• Constipation.
12. Endocrine system
• Thyroid gland: Mild enlargement with hyperplasia
and increased thyroxine output.
• Adrenal glands: enlargement of zona fasciculate layer
in particular, therefore cortisol secretion increases but
no signs of Cushing’s syndrome.
• Placental hormones are secreted.
13. Psychological changes
• Nervous system:- Mild mental changes which vary
from craving from unusual articles of diet to
alteration in mood and behavior.
- In some, a true psychosis may also develop.
• Sleep: Decreases.
14. Skin
• Hyperpigmentation (related to increased secretion of
ACTH and MSH during pregnancy).
• Stria gravidarum.
Source: https://www.ncbi.nlm.nih.gov/books/NBK436005/figure/article-29544.image.f1/
15. Metabolic changes
• Marked increase in body weight (average 12.5 kgs).
• Water metabolism:-During early months of pregnancy
there is marked diuresis, sweating and a weight loss of
approximately 2.5 kgs.
-During later months (5-6 month onwards) of pregnancy
excess of water is retained in the fetus, placenta, amniotic
fluid, breast, uterus and other tissues. The retention of
water is due to fall in plasma protein concentration.
-Retention of sodium due to steroidal sex hormones.
• Protein metabolism: Positive nitrogen balance during
pregnancy and lactation period.
16. • Carbohydrate metabolism: Glycosuria.
• Fat metabolism:-Increase in blood concentration of
cholesterol, phospholipids and neutral fats.
-Adipose tissue fat increases to supply energy in
the later stages of pregnancy and lactation.
• Mineral metabolism:- Mother stores
approximately 50 gm of calcium and 35-40 gm of
phosphorous.
- Only half of the calcium goes to the fetus
especially during the last month, the rest being stored
in the maternal tissues to be utilized during lactation.
17. • Iron metabolism:- Fetus contain 375 mg of iron
which accumulate at a rate of approximately 0.4
mg/day in the first 6 months of pregnancy and
about 4mg/day during the last 3 months of
pregnancy.
- A further 500-700 mg of iron is required by the
mother for increased Hb synthesis and myoglobin
formation in the growing fetus.
19. Immunological test:
• Gravindex test:
• Gravindex antigen and antibodies
Control
Drop of urine of non-
pregnant women (no
HCG)
+
Drop of HCG antiserum
+
HCG coated latex particles
=
Agglutination
(negative pregnancy test)
Test
Drop of urine of pregnant
women (HCG)
+
Drop of HCG antiserum
+
HCG coated latex particles
=
No agglutination
(positive pregnancy test)