1) The study used a human lung model to simulate breathing through an oxygen mask. It found that exhaled air traveled approximately 0.40 meters from the mask at peak exhalation.
2) This suggests that oxygen masks have the potential to spread infectious exhaled droplets or aerosols over short distances, posing a contamination risk.
3) The study provides quantitative data on oxygen mask airflow, which can help guide safe distancing practices to prevent hospital-acquired respiratory infections.
dentists should take care while using the dental laser , laser plume safety measures is very important . it should be considered and it should be strictly applied in daily clinical practice
dentists should take care while using the dental laser , laser plume safety measures is very important . it should be considered and it should be strictly applied in daily clinical practice
sars stands for severe acute respiratory syndrome .
It is caused by a corona virus. its outbreak in 2002 in southern china led to 8000 cases and almost 800 deaths.there is a history of travel or close contact with a SARS patient.
sars stands for severe acute respiratory syndrome .
It is caused by a corona virus. its outbreak in 2002 in southern china led to 8000 cases and almost 800 deaths.there is a history of travel or close contact with a SARS patient.
Retropharyngeal Abscess Managed With Ketamine - A Case Report_Crimson PublishersCrimsonPublishersAICS
A one year old male child presented to the pediatrics emergency with difficulty in breathing for the last 10-12 days. Severe inspiratory stridor was present and the accessory muscles of respiration were active. X-ray of lateral view of the neck showed increased soft tissue shadow in front of C2 vertebra suggestive of retropharyngeal abscess. Incision and drainage of retropharyngeal abscess was planned under general anesthesia after perforsming tracheostomy, as an emergency procedure. Intravenous glycopyrrolate 50 micrograms followed by 3 mg of ketamine was given slowly till the patient became calm following which tracheotomy was carried out under local anesthesia achieved by infiltration with lignocaine by the otolaryngologist. After tracheotomy, the patient was given ketamine 5mg intravenously and oxygen: nitrous oxide (50:50) and Sevoflurane 2% through the tracheotomy
tube attached to the breathing circuit with the patient breathing spontaneously. Incision and drainage of the abscess was carried out and 20ml of pus aspirated. We found ketamine to be very useful for sedation while carrying out a tracheotomy in this case.
Extracorporeal membrane oxygenation (ECMO) is a revolutionary life-saving technology for patients with severe but potentially reversible pulmonary or cardiac failure or for patients in need of a bridge to transplantation. In the Indian scenario, the facility of ECMO is limited to few specialized healthcare centers having the expertise personnel and the equipment for this technology. However, the critically unwell patients with respiratory and/or cardiac failure are managed by all the healthcare facilities throughout the country. This has led to the development of mobile ECMO team which carries necessary equipment for initiation of ECMO at referral center and also retrieval of the patient on ECMO. We present the case of a patient with H1N1 influenza associated severe ARDS who was retrieved via air-medical transport (fixed wing aircraft) on ECMO by the mobile ECMO team of our center. In the present case, the patient was cannulated and ECMO was initiated at the referral hospital. This allowed a safe transfer of this patient with severe refractory hypoxemia to ECMO centre. The long or short-distance inter-hospital transport of critical patients with respiratory and/or cardiac failure is feasible and safer on ECMO as compared to the conventional methods of transport. The mobile ECMO teams have made this technology available to all even when the admitting hospital doesn’t have this facility and expertise. To the author’s knowledge, this is the first case reported in India of air-medical retrieval of a patient on ECMO. Key-words- Acute respiratory distress syndrome (ARDS), Air ambulance, Extra corporeal membrane oxygenation (ECMO), H1N1 influenza (Swine flu), Hypoxia, Inter hospital transport
Purpose: To investigate the effect of sulfur dioxide on the lung microbiota of healthy rats. Methods Fifteen male rats were randomly divided into high dose and low dose exposure group and control group. After 7 days of SO2 exposure, the lung tissues were obtained and the lung microbiota was identified by Illumina high-throughput sequencing. Results The microbial community of lung microbiota was significantly alternated in the exposure group and the dominant phylum changed from Firmicutes to Proteobacteria. In addition, the SO2 exposure caused the bronchial wall thickening and a large number of inflammatory cell infiltration in the lungs of rats in exposure groups. Conclusions The results suggest that SO2 can significantly alter the lung microbiota and pathological structure of the lungs.
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.
Basavarajeeyam is a Sreshta Sangraha grantha (Compiled book ), written by Neelkanta kotturu Basavaraja Virachita. It contains 25 Prakaranas, First 24 Chapters related to Rogas& 25th to Rasadravyas.
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
NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
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
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
share - Lions, tigers, AI and health misinformation, oh my!.pptxTina Purnat
• Pitfalls and pivots needed to use AI effectively in public health
• Evidence-based strategies to address health misinformation effectively
• Building trust with communities online and offline
• Equipping health professionals to address questions, concerns and health misinformation
• Assessing risk and mitigating harm from adverse health narratives in communities, health workforce and health system
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