COMMUNICABLE DISEASES Flashcards
What is the FORCE OF INFECTION?
EPIDEMIOLOGIC TRIANGLE
What are the COMPONENTS of the Epidemiologic Triangle?
- HOST
- AGENT
- ENVIRONMENT
Any organism that HARBORS and PROVIDES NOURISHMENT for another organism
HOST
Intrinsic property of microorganism to SURVIVE and MULTIPLY to produce disease
AGENT
The sum total of all EXTERNAL CONDITIONS and INFLUENCES that affect the development of an organism
ENVIRONMENT
NATURAL IMMUNITY:
Acquired thru PLACENTAL TRANSFER
NATURAL PASSIVE
NATURAL IMMUNITY:
Acquired thru RECOVERY from a certain disease
NATURAL ACTIVE
ARTIFICIAL IMMUNITY:
Acquired thru the administration of ANTITOXIN, ANTISERUM, CONVALESCENT SERUM, GAMMA GLOBULINS
ARTIFICIAL PASSIVE
ARTIFICIAL IMMUNITY:
Acquired thru administration of VACCINES and TOXOID
ARTIFICIAL ACTIVE
STAGES OF THE INFECTIOUS PROCESS
I-P-A-C
I - NCUBATION
P - RODROMAL
A - CME
C - ONVALESCENT
STAGE OF THE INFECTIOUS PROCESS:
Non-specific symptoms turns to SPECIFIC signs and symptoms
PRODROMAL
STAGE OF THE INFECTIOUS PROCESS:
ENTRY of the microorganism until the ONSET of symptoms
INCUBATION
STAGE OF THE INFECTIOUS PROCESS:
Symptoms start to ABATE and pt RETURNS to NORMAL state of health
CONVALESCENT
STAGE OF THE INFECTIOUS PROCESS:
DEFINITIVE signs and symptoms develop and become more evident
ACME
Microorganism that CAUSES INFECTION such as bacteria, viruses, parasites, etc
PATHOGENIC MICROORGANISM/
CAUSATIVE AGENT
ABILITY of organism to CAUSE disease
PATHOGENICITY
Disease SEVERITY and INVASIVENESS
VIRULENCE
NUMBER OF ORGANISMS needed to initiate infection
INFECTIVE DOSE
Antigenic Variation
ORGANISM SPECIFICITY
Ability to SURVIVE OUTSIDE the host
VIABILITY
Ability to PENETRATE the cell
INVASIVENESS
Place where microorganisms LIVE such as in humans and animals, soil, food, plants, air or water
RESERVOIR
The path by which the a pathogen LEAVES its host
PORTAL OF EXIT
MODES OF TRANSMISSION:
Maternal and fetal transmission
VERTICAL
MODES OF TRANSMISSION:
Can either be DIRECT, INDIRECT, or thru BREAK IN SKIN INTEGRITY
HORIZONTAL
MODES OF TRANSMISSION:
Occurs thru SKIN-TO-SKIN contact, kissing and sexual intercourse
DIRECT CONTACT
MODES OF TRANSMISSION:
Spraying with relatively large AEROSOLS produced by COUGHING, SNEEZING, or even TALKING
DROPLET SPREAD
MODES OF TRANSMISSION:
Occurs when infectious agents are carried by dust or droplet nuclei SUSPENDED IN THE AIR
AIRBORNE
MODES OF TRANSMISSION:
Transmitted thru FOOD, WATER, BIOLOGIC PRODUCTS (blood), and FOMITES
VEHICLE-BORNE
MODES OF TRANSMISSION:
From MOSQUITOS, FLEAS, and TICKS
VECTOR-BORNE
The FIRST LINE OF DEFENSE against infection
INTACT SKIN
WEAKEST LINK in the chain of infection
MODE OF TRANSMISSION
How the organism ENTERS the host
PORTAL OF ENTRY
FINAL LINK in the chain of infection
SUSCEPTIBLE HOST
Guidelines to PREVENT TRANSMISSION of microorganisms in the hospital
ISOLATION PRECAUTION
Infection acquired DURING stay in the hospital
NOSOCOMIAL INFECTION
PRIMARY STRATEGY to prevent nosocomial infections and is a precaution designed for ALL PATIENTS
STANDARD PRECAUTION
Precaution designed for pts with KNOWN or SUSPECTED infectious disease spread thru airborne, droplet, or contact
TRANSMISSION-BASED PRECAUTION
Single MOST IMPORTANT intervention BEFORE and AFTER pt contact
HAND HYGIENE
PERSONAL PROTECTIVE EQUIPMENT (PPE):
Used for TOUCHING blood, body fluids, secretions, and contaminated items
GLOVES
PERSONAL PROTECTIVE EQUIPMENT (PPE):
Used during procedures when CONTACT of CLOTHING/EXPOSED SKIN with blood or body fluids is anticipated
GOWN
PERSONAL PROTECTIVE EQUIPMENT (PPE):
Used during procedures likely to generate SPLASHES or SPRAY of blood and other body fluids
MASK, EYE PROTECTION, FACE SHIELD
How often should you change gloves?
IN BETWEEN CLIENTS
What do you do BEFORE doning new gloves?
HAND WASHING
After dealing with needles, can you RECAP?
NO
If recapping is REQUIRED, what technique should you use?
ONE-HANDED SCOOP TECHNIQUE
PRECAUTION:
Applied when handling BLOOD and BODY FLUIDS
(Applied to pts with HIV)
UNIVERSAL PRECAUTION
ISOLATION OR QUARANTINE:
Applies to those who have been EXPOSED to a disease but may or may not be ill
QUARANTINE
ISOLATION OR QUARANTINE:
Applies to persons who are KNOWN to be ill with a contagious disease
ISOLATION
It is a specific acute, viral infection transmitted to man by SALIVA of an INFECTED ANIMAL
RABIES
What are the other terms for RABIES?
LYSSA (Bacante hehe)
HYDROPHOBIA (Rabies = fear of water)
Etiologic Agent of Rabies
RHABDOVIRUS
rhab(IES)dovirus
MOST DEFINITIVE diagnostic test for Rabies
FLUORESCENT RABIES ANTIBODY (FRA)
Ang definitive test (FRA) sa Rabies
What can you find in the dog’s brain to confirm Rabies?
NEGRI BODIES
After being bitten by an animal suspected of Rabies, what should you IMMEDIATELY do?
WASH WOUND WITH SOAP AND WATER THOROUGHLY
If there is bleeding, COVER the wound
Can you suture the wound from the bite a suspected animal with Rabies?
NEVER SUTURE!
R: This will spread the virus
TREATMENT FOR RABIES:
For non immunized individuals
- WOUND CLEANSING
- RABIES IMMUNOGLOBULIN (RIG)
- RABIES VACCINE
When to administer the Rabies Vaccine
DAY OF BITE, 3RD DAY, 7TH DAY, 14TH DAY
0-3-7-14
TREATMENT FOR RABIES:
For previously immunized individuals
- WOUND CLEANSING
2. RABIES VACCINE
What should you do to make a pt with Rabies comfortable?
- ISOLATE PATIENT
- DARKEN ROOM
- DO NOT BATHE AND NO RUNNING WATER IN THE ROOM (Hydrophobia)
An acute illness caused by toxin of the TETANUS BACILLUS
TETANUS
Etiologic Agent of Tetanus:
CLOSTRIDIUM TETANI
SYMPTOM OF TETANUS:
Arched back rigidity
OPISTHOTONOS
SYMPTOM OF TETANUS:
Board-like abdomen
PERITONITIS
SYMPTOM OF TETANUS:
Painful spasms of the masticatory muscles producing a sneering grin expression
LOCKJAW TRISMUS
RISUS SARDONICUS
Intermittent TONIC seizures that may last several minutes may occur because of tetanus. What should you PRIORITIZE when this happens?
AIRWAY
R: Cyanosis and sudden death by asphyxiation may occur during prolonged tonic seizures
What happens to the Cerebrospinal Fluid Pressure of a pt with Tetanus?
CSF PRESSURE INCREASES
What is the FIRST LINE DRUG to give to a pt with Tetanus?
METRONIDAZOLE
What should you PRIORITIZE in a pt with Tetanus?
AIRWAY!
What is the other term for Tetanus?
LOCK JAW
What intervention should you implement to prevent the patient from having a seizure?
PROVIDE A NON STIMULATING ENVIRONMENT
Dimly lit room, warn visitors not to upset or overstimulate the pt
What can you do as a nurse to help PREVENT the occurrence of Tetanus in the community?
STRESS THE IMPORTANCE OF MAINTAINING ACTIVE IMMUNIZATION
A crippling and potentially deadly disease that can invade an infected person’s brain and spinal cord, causing PARALYSIS
POLIOMYELITIS
What is the other term for POLIO?
INFANTILE PARALYSIS
Mode of Transmission of Polio:
po(RAL-FECAL)liomyelitis
DIRECT CONTACT WITH ORAL SECRETIONS AND FECES
Signs and Symptoms of Polio:
HEAD FALLS BACK when supine and shoulders are elevated
HOYNE SIGN
H(oyne)EAD FALLS BACK
Signs and Symptoms of Polio:
Severe stiffness of the HAMSTRINGS and INABILITY TO STRAIGHTEN LEG when hip is flexed to 90 degrees
KERNIG’S SIGN
Signs and Symptoms of Polio:
Severe NECK STIFFNESS causes the pt’s hips and legs to flex when the neck is FLEXED
BRUDZINSKI’S SIGN
Signs and Symptoms of Polio:
Arms extended BEHIND for support when sitting up
TRIPOD
Signs and Symptoms of Polio:
Double vision
DIPLOPIA
Signs and Symptoms of Polio:
Difficulty with VERBAL COMMUNICATION
DYSPHASIA
Can analgesics be given to a patient with Polio?
YES BUT NEVER MORPHINE
What NON-PHARMACOLOGIC intervention can you do to help a pt with Polio RELIEVE PAIN and PROMOTE RELAXATION OF MUSCLES?
MOIST HEAT APPLICATION
Most people infected with polio will have INITIAL SYMPTOMS such as:
FLU-LIKE SYMPTOMS:
SORE THROAT FEVER TIREDNESS NAUSEA HEADACHE STOMACH PAIN VOMITING
What is the diagnosis of a pt who seemed to have recovered from polio as a child but develops new muscle pain, weakness, or paralysis AS AN ADULT?
POST-POLIO SYNDROME
How many SEROTYPES of polio are there?
THREE
POLIOVIRUS TYPE 1, 2, and 3
What can be expected in the CSF PRESSURE of a pt with Polio?
SLIGHTLY INCREASED
What NON-PHARMACOLOGIC interventions should you implement when you have a pt with Polio?
- Maintain PATENT AIRWAY (PRIORITY)
- Observe for PARALYSIS and NEUROLOGIC DAMAGE
- Frequent REPOSITIONING
- Inform pt about the need for CAREFUL HANDWASHING
PREVENTATIVE MEASURE for Polio?
ADMINISTRATION OF ORAL POLIO VACCINE
How often are BOOSTER DOSES for Polio given?
AT 10-YEAR INTERVALS FOR TRAVEL TO ENDEMIC AREAS
What must you PRIORITIZE in patients with Tetanus and Polio?
AIRWAY!!
An acute febrile infection of the tonsil, throat, nose, larynx or wound marked by patches of GRAYISH MEMBRANE
DIPTHERIA
GRAYISH MEMBRANE = DIPTHERIA
The MOST SEVERE and MORE FATAL type of Diptheria
LARYNGEAL DIPTHERIA
Symptoms of Diptheria:
Swelling of the soft tissues of the neck
BULL NECK FORMATION
Sypmtoms of Diptheria:
What happens to the voice of a pt with Diptheria?
Voice becomes HUSKY
Diagnostic Tests for Diptheria:
- NOSE AND THROAT SWAB
- SCHICK TEST
- VIRULENCE TEST
- MOLONEY TEST
How can you tell if the Schick test is POSITIVE?
INFLAMMATION or INDURATION AT POINT OF INJECTION
What is the ROUTE of the injection during Schick test?
INTRADERMAL
Diagnostic Tests for Diptheria:
It detects a HIGH DEGREE OF SENSITIVITY TO DIPTHERIA
MOLONEY TEST
DRUGS for Diptheria
d i p(ENICILLIN)
t h e(RYTHROMYCIN)
r i a(NTITOXIN)
PENICILLIN
ERYTHROMYCIN
ANTITOXIN
How long should a pt with Diptheria stay on ABSOLUTE BED REST?
AT LEAST 2 WEEKS
What is the recommended DIET for a pt with Diptheria?
SOFT FOOD DIET, SMALL FREQUENT FEEDINGS
What NON-PHARMACOLOGIC intervention can you do for Bull Neck Formation?
ICE COLLAR APPLIED TO THE NECK
R: this will reduce swelling
PREVENTATIVE MEASURES for Diptheria
- ACTIVE IMMUNIZATION (3 DOSES)
2. PASTEURIZATION OF MILK
Pt has repeated attacks of spasmodic coughing, which consists of a series of EXPLOSIVE EXPIRATIONS that produce a CROWING SOUND (whoop) What is his Diagnosis?
PERTUSSIS
What is the OTHER TERM for Pertussis?
WHOOPING COUGH
The CROWING SOUND or WHOOP is usually followed by:
VOMITING
During a chest radiography, what can be seen in a pt with Pertussis?
INFILTRATES or EDEMA WITH ATELECTASIS
What are the TWO MAIN DRUGS for Pertussis?
ERYTHROMYCIN
AMPICILLIN
MOST DANGEROUS complication of Pertussis?
BRONCHOPNEUMONIA
How long should a person with Pertussis be ISOLATED?
4 TO 6 WEEKS
SUPPORTIVE THERAPY for Pertussis
- FLUID & ELECT REPLACEMENT bc of vomiting
- O2 THERAPY
- ADEQUATE NUTRITION
Inflammation of the mucous membrane in the nose
CORYZA