This document provides an orientation to infection control and isolation precautions for nurses. It describes the objectives of understanding isolation procedures, antibiotic resistant organisms, and surveillance for hospital acquired infections. It outlines standard, contact, droplet and airborne precautions and gives examples of diseases that require each type of isolation. It provides guidance on proper use of personal protective equipment, including the correct sequence for donning and removing gowns, gloves, masks and respirators. It emphasizes the importance of hand hygiene and cleaning equipment to prevent the spread of infections in the hospital.
A. Standard Precautions-Standard precautions are to be followed for all patients, irrespective of their infection status.
These are to be used to avoid contact with blood, body fluids, secretions and excretions regardless of whether contaminated grossly with blood or not; non intact skin; and mucous membrane.
They are the basic level of infection control precautions which are to be used, as a minimum, in the care of all patients
Infection control measure to be undertaken by hospital- Use standard precaution for the care of all patients.
This general mandate is necessary because it is sometimes not known if the patient is colonized or infected with certain pathogenic microorganisms.
Barrier precautions reduce the need to handle sharps.
B. Transmission Precautions- The second tier condenses the disease-specific and categories approach to isolation into new transmission categories to be taken based on the route of transmission of organisms like contact precautions, airborne precautions, etc.
These precautions are designed for specific patients with highly transmissible pathogens
A. Standard Precautions-Standard precautions are to be followed for all patients, irrespective of their infection status.
These are to be used to avoid contact with blood, body fluids, secretions and excretions regardless of whether contaminated grossly with blood or not; non intact skin; and mucous membrane.
They are the basic level of infection control precautions which are to be used, as a minimum, in the care of all patients
Infection control measure to be undertaken by hospital- Use standard precaution for the care of all patients.
This general mandate is necessary because it is sometimes not known if the patient is colonized or infected with certain pathogenic microorganisms.
Barrier precautions reduce the need to handle sharps.
B. Transmission Precautions- The second tier condenses the disease-specific and categories approach to isolation into new transmission categories to be taken based on the route of transmission of organisms like contact precautions, airborne precautions, etc.
These precautions are designed for specific patients with highly transmissible pathogens
Public Health Emergency(Corona) Precautions and Safety.Apurv Charles
The safety and precautions are discussed in Public Health Emergencies .The Do's and Dont's for working professionals during management of any Public Health Emergency.
Its very important to be safe and alert during any such incidence as the responsibility is serious and can prevent many deaths and such adverse events.
This is my small effort to help professionals working during this International Pandemic known as "Corona Virus Disease".
The safety measures should be known to the professionals working with such infected and isolated clients,
Be safe and stay alert.
Kindly share this presentation with your dear ones as they are dealing with serious infections and this can educate and save them and many more.
To know more about Corona Virus Disease please check out following links :-
1)https://www.slideshare.net/ApurvCharles/pregnancy-and-corona-virus-disease-covid19
2)https://www.slideshare.net/ApurvCharles/nutritional-aspects-of-corona-covid-19-230680286
3)https://www.slideshare.net/ApurvCharles/corona-dead-body-management-covid19
Feedbacks are appreciated.
Thank you.
Standard precautions are meant to reduce the risk of transmission of blood borne and other pathogens from both recognized and unrecognized sources.
They are the basic level of infection control precautions which are to be used, as a minimum, in the care of all patients.
Standard safety precautions are the basic infection prevention and control measures necessary to reduce the risk of transmission of infectious agent from both unrecognized and unrecognized sources of infection.
The elements of Standard Precautions include:
Hand hygiene.
Use of gloves and other barriers (e.g., mask, eye protection, face shield, gown).
Handling of patient care equipment and linen.
Environmental control.
Prevention of injury from sharps devices, and patient placement.
Respiratory hygiene and cough etiquette
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.
- 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
Public Health Emergency(Corona) Precautions and Safety.Apurv Charles
The safety and precautions are discussed in Public Health Emergencies .The Do's and Dont's for working professionals during management of any Public Health Emergency.
Its very important to be safe and alert during any such incidence as the responsibility is serious and can prevent many deaths and such adverse events.
This is my small effort to help professionals working during this International Pandemic known as "Corona Virus Disease".
The safety measures should be known to the professionals working with such infected and isolated clients,
Be safe and stay alert.
Kindly share this presentation with your dear ones as they are dealing with serious infections and this can educate and save them and many more.
To know more about Corona Virus Disease please check out following links :-
1)https://www.slideshare.net/ApurvCharles/pregnancy-and-corona-virus-disease-covid19
2)https://www.slideshare.net/ApurvCharles/nutritional-aspects-of-corona-covid-19-230680286
3)https://www.slideshare.net/ApurvCharles/corona-dead-body-management-covid19
Feedbacks are appreciated.
Thank you.
Standard precautions are meant to reduce the risk of transmission of blood borne and other pathogens from both recognized and unrecognized sources.
They are the basic level of infection control precautions which are to be used, as a minimum, in the care of all patients.
Standard safety precautions are the basic infection prevention and control measures necessary to reduce the risk of transmission of infectious agent from both unrecognized and unrecognized sources of infection.
The elements of Standard Precautions include:
Hand hygiene.
Use of gloves and other barriers (e.g., mask, eye protection, face shield, gown).
Handling of patient care equipment and linen.
Environmental control.
Prevention of injury from sharps devices, and patient placement.
Respiratory hygiene and cough etiquette
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.
- 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
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
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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
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
2. Infection Control
Nurse Orientation
Objectives:
– Describe the role of isolation in preventing the
spread of certain infections
– Describe each type of isolation with examples
of diseases
– Understand significance of correct sequence of
donning and removing PPE.
3. Infection Control
Nurse Orientation
Objectives:
– Understand the significance of antibiotic
resistant organisms seen in hospitals
– Understand how surveillance for hospital
acquired (nosocomial) infections is performed
and the significance of surveillance data
4. Chain of Infection
Pathogen
Reservoir
Portal of
Exit
Mode
of
Transmission
Portal of
Entry
Susceptible
Host
Why Isolation?.. because transmission is
easier to control than the source / host!
5. What is Infection Control?
Identifying and reducing the risk of
infections developing or spreading
6. Nosocomial Infections
Develops when a patient is staying at a
healthcare facility AND was not present
when the patient was admitted to the
facility
At least 5% of patients hospitalized each
year in the United States develop
nosocomial infections. Many are
preventable
7. Standard Precautions
Guidelines for preventing exposure to blood, body
fluids, secretions, excretions (except sweat), broken
skin, or mucous membranes
Based on the concept that body fluids from ANY
patient can be infectious
Should be used on every patient
Use necessary PPE for protection
– CDC guidelines requires us to use category-specific
isolation (ex – TB isolation) in addtion to Standard
Precautions when a patient is known or suspected to have
an infection
8. Antibiotic Resistant
Microorganisms
normal flora gone bad!
Problem exists because of overuse and
inappropriate use
Resistant to multiple antibiotics
Reduced options for treatment
Require isolation precautions
Examples: MRSA, VRE, MDR TB
Solutions: more appropriate antibiotic use,
better infection control and prevention
9. CONTACT ISOLATION
used to prevent transmission of
microorganisms spread by
direct/indirect contact with the source
examples:
– MRSA
– VRE
– C. diff
– contagious skin infections… Lice & Scabies
12. HAND WASHING
Proper hand washing is the single most important ay to
prevent and reduce infections
Wash and rinse hands for 15 seconds, using a dry paper
towel to turn off faucet
Avagard alcohol based hand wash is also available in all
patient care areas
Hands should be washed:
– Before and after patient contact
– Before putting on gloves and after taking them off
– After touching blood and body substances (or contaminated
patient-care equipment), broken skin, or mucous membranes
(even if you wear gloves)
– Between different procedures on the same patient
13. DROPLET ISOLATION
used to prevent transmission of microorganisms
spread by large, moist droplets inhaled by or
landing on the mucous membranes of the
susceptible host
examples:
– Influenza
– Neisseria meningitidis
– some pneumonias
– vaccine preventable diseases:
• rubella, mumps, pertussis
16. AIRBORNE ISOLATION
used to prevent transmission of
microorganisms spread on very small
particles that drift on air currents (droplet
nuclei, dust)
examples:
– pulmonary Tuberculosis
– varicella
– measles
17. Shingles vs. Chicken Pox
Both are caused by the
varicella virus
Shingles remain along
nerve roots and appear on
a single dermatome
Shingles involving
multiple dermatomes or
an immunocompromised
patient (WBC <4.0)
consider this to be
systemic and isolate just
like chicken pox
(airborne)
18.
19. AIRBORNE ISOLATION
BASIC COMPONENTS:
– negative air pressure isolation room
– door remains closed
– fit-tested N95 respirator
– Call Engineering (ext. 2060) with room # to
check negative pressure.
– yes… HANDWASHING!
21. Benchmarking Hospital
Acquired Infections
CDC’s Hospital Infections Program
Submit monthly data on ICU infections
Benchmarking with similar hospitals
Networking opportunities
Annual reports
22. Surveillance Data
USES
• Improve patient outcomes by
• modifying patient care practices
• reducing length of stay
• Identify education needs
• Evaluate new products
• Identify new opportunities for improvement
You can help by reporting suspected HAI
on the infoweb!
23. Latex Allergy
Latex can cause allergies in some
healthcare workers and patients
All of our non-sterile gloves are latex free
If you have any type of skin or other
reaction to wearing latex gloves, tell the
Charge Nurse
24. Key Points About PPE
Don before contact with the patient,
generally before entering the room
Use carefully – don’t spread contamination
Remove and discard carefully, either at the
doorway or immediately outside patient
room; remove respirator outside room
Immediately perform hand hygiene
25. Sequence for Donning PPE
Gown first
Mask or respirator
Goggles or face shield
Gloves
26. How to Safely Use PPE
Keep gloved hands away from face
Avoid touching or adjusting other PPE
Remove gloves if they become torn;
perform hand hygiene before donning new
gloves
Limit surfaces and items touched
27. “Contaminated” and “Clean”
Areas of PPE
Contaminated – outside front
• Areas of PPE that have or are likely to have been in
contact with body sites, materials, or environmental
surfaces where the infectious organism may reside
Clean – inside, outside back, ties on head
and back
• Areas of PPE that are not likely to have been in
contact with the infectious organism
29. Where to Remove PPE
At doorway, before leaving patient room or
in anteroom*
Remove respirator outside room, after door
has been closed*
* Ensure that hand hygiene facilities are available at
the point needed, e.g., sink or alcohol-based hand
rub
30. Removing Isolation Gown
Unfasten ties
Peel gown away from
neck and shoulder
Turn contaminated
outside toward the
inside
Fold or roll into a
bundle
Discard
32. Removing a Particulate Respirator
Lift the bottom
elastic over your
head first
Then lift off the top
elastic
Discard
33. Hand Hygiene
Perform hand hygiene immediately after
removing PPE.
• If hands become visibly contaminated during PPE
removal, wash hands before continuing to remove PPE
Wash hands with soap and water or use an
alcohol-based hand rub
* Ensure that hand hygiene facilities are available at
the point needed, e.g., sink or alcohol-based hand
rub
34. Handling Patient Care
Equipment
Handle patient care equipment soiled with blood, other
body fluids, secretions, or excretions in a way that
prevents contact with skin and mucous membranes
Handle patient care equipment in a way that prevents
contamination of clothing and the spread of
microorganisms to other patients
Appropriately dispose of single use equipment (suction
canisters, etc)
Clean and disinfect reusable equipment. Place clean
instruments in biohazard bag for transport to Central
Sterile Supply and re-sterilization
35. In addition, contact precautions
require that you:
Don’t share non-critical equipment (such as
stethoscopes and thermometers) between patients
If a piece of equipment is used with a patient in
contact isolation, then the equipment must be
properly cleaned and disinfected prior to use on
another patient
Place a patient on airborne, contact, or droplet
precautions in a private room, if possible
If a private room is not available, the patient may
be placed with another patient who has the same
(but no other) infection
36. What to do if exposed to blood /
body fluids
Puncture wounds should be washed immediately
and the wound should be caused to bleed
If skin contamination should occur, wash the area
immediately
Splashes to the nose or mouth should be flushed
with water
Eye splashes require irrigation with clean water,
saline, or a sterile irritant
Most importantly: Complete a GBMC
Employee Incident Report. Report exposure to
charge nurse and Agency immediately
37. Need Infection Control?
• Office - 5th floor.
• InfoWeb:
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- How to Enter
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Meditech
- Frequently
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