- Cestodes (tapeworms) that can infect humans include Taenia saginata, Taenia solium, Diphyllobothriurn latum, Hymenolepis nana, Echinococcus granulosus, and Echinococcus multilocularis.
- Taeniasis results from intestinal infection by the adult tapeworm, while cysticercosis results from larval lodging in various sites like the brain, muscles, eyes.
- Neurocysticercosis, caused by Taenia solium larvae in the brain, is the most common parasitic infection of the brain worldwide.
- Symptoms depend on the location of the cysts. Cysts in
This seminar is for medical graduates..it describes inflammation of posterior part of uvea i.e choroid along with retina.it describes symptoms, signs and how to diagnose such patient and treatment.
- 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
This seminar is for medical graduates..it describes inflammation of posterior part of uvea i.e choroid along with retina.it describes symptoms, signs and how to diagnose such patient and treatment.
- 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
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
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.
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
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
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
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
Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
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3. Taeniasis and Cysticercosis
• Taeniasis refers to intestinal infection by the adult
tapeworm, and cysticercosis results from larval lodging in
various sites.
4. • Two species of tapeworms infest humans, Taenia
solium or the pork tapeworm and T. saginata or beef
tapeworm.
• Man is the only definitive host for both the parasites.
• While the pork tapeworm has a scolex with suckers
and hooks that aid its attachment to the intestinal
wall, hooks are absent in T. saginata.
5. Epidemiology
• Cysticercosis is the most common parasitic disease
worldwide, with an estimated prevalence of more than 50
million persons.
• Neurocysticercosis, the neurologic manifestation of
cysticercosis, is the most prevalent infection of the brain
worldwide.
7. CLINICAL FEATURES
• Infection with adult worm is mostly symptomatic, but some children may have non-specific
symptoms like nausea, abdominal pain and diarrhea. These patients may also develop
cysticercosis through auto-infection.
• Cysts can lodge in the brain, skeletal muscle, subcutaneous tissues, spinal column and
eyes. The two sites associated with high morbidity are the brain, the most common (60-
90%) location for cysts, and the eye, the least common site (1-3%).
• Cysts in the brain parenchyma (parenchymal neurocysticercosis) ause focal or generalized
seizures and, less commonly, headache, focal neurologic deficits, or behavioral abnormality.
Heavy cyst burden can cause encephalopathy with fever, headache, nausea, vomiting,
altered mental status and seizures.
8. • Cysts in the subarachnoid or ventricular spaces may cause
meningeal signs and symptoms, obstructive hydro cephalus
or cranial nerve palsies (by nerve entrapment), those
located in the spinal column can cause radicular pain or
paresthesias.
• Ocular cysts in the subretinal space or vitreous humor can
impair vision by inflammation or It through retinal
detachment, while those in the extraocular is muscles may
limit the range of eye movements and those in the
subconjunctival tissue present as a nodular swelling.
• Skeletal muscle or subcutaneous cysticercosis may be either
asymptomatic or cause localized pain and nodules.
9. Diagnosis
• The diagnosis of teniasis is established by the demonstration of eggs or
proglottids in the stools. Patients may pass motile segments of worms
through anus.
• Diagnosis of neurocysticercosis is based on contrast CT or contrast MRI of
brain; MRI is superior to CT (Fig. 11.27). Demonstration of a solitary
contrast-enhancing lesion less than 20 mm in diameter and producing no
midline shift is highly sensitive for neurocysticercosis; if the scolex is visible,
it is pathognomonic.
10. • Cystic, nonenhancing lesions suggest viable, non-degenerating cysts;
cystic, enhancing lesions indicate degenerating cysts with some
surrounding inflammation; and calcified cysts suggest old cysts that
have already died.
• Ocular or extraocular muscle cysticercosis can be picked up on CT or
ultrasound, or by detailed eye examination.
• Detection of antibodies by enzyme-linked immunoblot assay or enzyme-
linked immunosorbent assay of the serum or cerebrospinal fluid has a
sensitivity of 65-98% and a specificity of 67-100%, varying with the cyst
burden, location, and phase of the infection; the immunoblot assay is the
preferred test.
• Biopsy of the skin or muscle provides a definitive diagnosis in
ambiguous situations, and may be the diagnostic method of choice for
ocular, extraocular muscle. or painful muscular or subcutaneous cysts.
11.
12. TREATMENT
• Infestation with the adult tapeworm (teniasis) is treated with
praziquantel (5-10 mg/kg once) or niclosamide (50 mg/kg once).
Single active parenchymal lesions usually resolve spontaneously and
may not require anticysticercal drugs.
• Watchful waiting is also indicated for calcified cysts because they are
already dead, hence children with seizures and calcified inactive
lesions on CT do not require specific therapy apart from
anticonvulsants.
• The commonly used antiepileptics are phenytoin and
carbamazepine, which should be continued for at least one year and
then tapered or continued based on radiologic resolution.
13. • A meta-analysis demonstrated that cysticidal drug therapy in patients with multiple and live
cysticerci is associated with reduced seizures and increased resolution of lesions in the brain
parenchyma. Two effective anticysticercal drugs are available: Albendazole (15 mg/ Sug kg/day
bid, max dose of 800 mg/day for 7-30 days) or praziquantel (50 mg/kg/day tid for 15-29 days).
Albendazole is more effective than praziquantel.
• A 7-day course of albendazole is perhaps as effective as a 28-day imaging course for single
lesions, though longer courses of 30 days are preferred for giant or subarachnoid cysts. Use of
antihelminthic medications is associated with the risk of an overwhelming inflammatory
response from degenerating cysts. This can be prevented by giving oral corticosteroids
(prednisolone or dexamethasone) for 2-3 days before and during treatment. Intraocular
cysticercosis should be ruled out before using antihelminthic medications as therapy may
cause inflammation and threaten vision.
14. • Treatment of subarachnoid and intraventricular neurocysticercosis is complicated and
risky. Cysts in these locations are usually managed surgically because medical treatment is
associated with the risk of inflammation; however, recent suggest that high-dose
albendazole (30 mg/kg/day) is associated with clearance of these cysts.
• A ventriculoperitoneal shunt should be placed in all patients with evidence of significant
obstructive hydro cephalus. Surgical removal of the cyst is considered the treatment of
choice for intraocular cysts; antihelminthic medication should be avoided as discussed
earlier.
• Cysts in the extraocular muscle may be treated with albendazole and steroids, or
surgically excised. Isolated skeletal muscle or subcutaneous cysticercosis requires no
specific treatment unless, it is painful, and then simple excision may suffice.
15. HYMENOLEPIASIS
• Hymenolepis nana, also known as the dwarf tapeworm.
• Man acts as both definitive and intermediate host
because the entire life cycle may be completed in human
host; however, rodents, ticks and fleas may serve as the
intermediate host. The infestation usually results from
poor hygiene.
16. • The adult worm lives in the jejunum.
• Transmission is mainly feco-oral, but autoinfection may also
occur, such that one host may harbor upto thousands of adult
worms.
• Symptoms are usually non-specific, including mild abdominal
discomfort, poor appetite and cosmophilia, some show growth
retardation.
17. • The infection is a major cause of eosinophilia.
The diagnosis is based on the demonstration of
characteristic eggs in stools. Treatment is with
praziquantel (25mg/kg once) or
niclosamide(50mg/kg once,max 2g)
18. Echinococcosis (HYDATID CYST)
• Caused by members of genus Echinococcus
• Characterized by production of unilocular or multilocular
cyst in the lung and liver
• It is a zoonotic disease.
20. CLINICAL FEATURES
• Symptoms depend on the target organ involved.
• Very often, liver cysts may regress spontaneously without
becoming symptomatic.
• Otherwise, cysts may become symptomatic after several
years when significant mass effect results in abdominal
pain vomiting, increase in abdominal girth and a
palpable mass; jaundice is rare.
21. • Alveolar cysts have a more malignant course. Direct
spread of infected tissue may result in cysts in the
peritoneal cavity, kidneys, adrenal gland or bones.
• Lung cyst may present with chest pain, cough,
hemoptysis and breathlessness.
• Involvement of the genitourinary tract may manifest as
passage of cysts in the urine (hydatiduria) and
hematuria.
• Rupture or leakage from a hydatid cyst may cause
anaphylaxis, manifest as fever, itching and rash, and
results in dissemination of infectious scolices.
22. • Rare but potentially serious complications include
compression of important structures in the central
nervous system, bone, heart, eyes or genitourinary tract.
23. DIAGNOSIS
• Physical examination may reveal a palpable mass, hepatomegaly or
subcutaneous nodules.
• Ultrasonography is the most valuable tool in diagnosing echinococcal
cysts. Lung hydatids may be visible on plain X ray. MRI and CT may
be used for further delineation.
• Diagnostic aspiration is generally contraindicated because of risk of
infection and anaphylaxis.
• Antibody detection by ELISA is more sensitive but less specific.
24. TREATMENT
• Treatment depends on the stage and location of
the lesion, and importantly the experience of the
treating center and includes albendazole,
surgical excision or PAIR (percutaneous
aspiration, instillation of hypertonic saline or
another scolicidal agent; and reaspiration after
15 minutes).