Nursing Lecture on the Integumentary System - Presentation Transcript
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MEASLES
An acute, highly communicable viral disease with prodromal fever, conjunctivitis, coryza, cough and small spots with white centers on an erythematous base on the buccal mucosa (Koplik spots)
Causative agent:
Measles virus, a member of the genus Morbilivirus of the family Paramyxoviridae
Incidence:
Endemic in all large cities of the world recurring in epidemic form every 2 years usually occurs during cold weather.
Mode of transmission:
Direct contact with nasal and throat secretions
Droplet infection
Less commonly, by articles freshly soiled with nose and throat secretions
Incubation period:
9- 20 days
Average: 10 days
Period of communicability:
Ranges from 3 to 4 days before the onset of the symptoms to 5 days after the rash appearance
Stages
1. Incubation period (average of 10 days)
2. Pre-eruptive stage or stage of invasion (3-6 days)
3. Eruptive stage
4. Desquamation Stage
Pre-eruptive stage or stage of invasion
from the appearance of the first sign/symptoms to the earliest evidence of the eruption.
fever, severe cold
frequent sneezing
profuse nasal discharge
eyes are red and swollen, with mucopurulent discharge (lids stick together)
Stimsons sign: (puffiness of lower eyelids with definite line of congestion on the conjunctivae)
Pre-eruptive stage or stage of invasion
redness of both ear drums
vomiting, drowsiness
hard dry cough
Koplik’s spot (appears on 2nd day): small, bright red macules or papules with tiny bluish-white specks on the center and can be found on the buccal cavity
maculopapular rashes (seen late in 4th day), occurs first on the cheeks or at the hairline
true measles rash: slightly elevated small red papules, dry and hot sensation to touch
Eruptive stage
Characterized by a general intensification of all local constitutional symptoms of the pre-eruptive stages with the appearance of bronchitis and loose bowels
Maculo-papular rashes starting from head to feet
Irritability and restlessness
Red and swollen throat
Enlargement of cervical glands
Fever subsides
Desquamation Stage
follows after the rashes fade, dry, and feel off
follows the order of distribution seen in the formation of eruption
Summary
Cough, colds, coryza (3C’s)
3 rd day: Characteristic red blotchy rash appears on the 3 rd to 7 th day
Rash begins on the face becomes generalized, lasts 4 – 7 days
Ends in desquamation
Diagnostic exam:
No specific diagnostic exam except only for the presence of leukopenia
Prevention:
Education of parents regarding the disease
Passive immunization of infants and children (gamma-globulin)
Active immunization (1st year of life)
Vaccine storage:
Freeze – dried measles vaccine is relatively stable and can be stored in a freezer or at refrigerator temperatures with safety for a year or more
Reconstituted vaccine should be kept at refrigerator temperatures and discarded after 8 hours
Both vaccine should be protected from prolonged exposure to ultraviloent light which may inactivate the vaccine
Management:
1. Drugs – Antibiotics for secondary bacterial infection)
2. Isolation
3. Meticulous skin care - warm alcohol cup to prevent pressure sores
4. Good oral and nasal hygiene – increase oral fluids
5. Proper care of the eyes - screen to avoid direct light: wear dark glasses
6. Ears should be cleaned after bath, bath if there discharges – patient should lie the affected ear down or towards the bed
7. Give ample of fluids during febrile stage
Complications:
1. Otitis media
death rate is highest in the 1st 2 years of life.
2. Bronchopneumonia
after 4 yrs. uncommon
3. Severe bronchitis
overall mortality rate-less than 4%
GERMAN MEASLES
An acute infectious disease characterized by mild constitutional symptoms, rose colored macular eruption which may resembles measles and enlargement and tenderness of lymph nodes
Causative agent:
Rubella virus (family Togaviridae; genus Rubivirus)
Incidence:
Occurs mostly in spring and seen mostly in children over 5 years of age
Mode of transmission:
Contact with nasopharyngeal secretions of infected people
Droplet spread or direct contact with patients
Incubation period:
Period of 14 – 21 days
Period of communicability:
7 days before to 5 days after the rashes appears
Infants with CRS may shed virus for months after birth
Clinical manifestations:
fever
loss of appetite
enlargement of lymph nodes
sweating
leucopenia
vomiting (in some cases)
headache, mild sore throat
desquamation follows the rash
Clinical manifestations:
enanthem of uvula with tiny red spots
rash (cardinal symptom) accompanied with cervical adenitis
begins on the face including the area around the mouth
oval, pale rose-red papules about the size of a pinhead
covers the body within 24 hours and gone by the end of 4th day
Prevention: vaccination
1. Gammaglobulin – given to pregnant women with negative history and who have been exposed in the first trimester of pregnancy.
2. Included in MMR given at 15 months to the baby.
Management:
1. Isolation – (Catarrhal stage) to prevent infection to others
2. Bed rest for first few days
3. Meticulous skin care especially after the rash fades
4. Good oral and nasal hygiene (use petroleum jelly if lips become dry)
5. No special diet is necessary / increase fluid intake
Complications:
1. Otitis media
2. Encephalitis
3. Congenital defects for babies whose mother were exposed in early pregnancy
VARICELLA
A very contagious acute disease usually occurring in small children, characterized by the appearance of vesicles, frequently preceded by papules , occasionally followed by pustules but ending in crusting
Causative agent:
Varicella zoster virus
Incidence:
Occurs before the 6th year especially in winter
Mode of transmission:
From person to person by direct contact
Droplet or airborne spread of vesicle fluid or secretions of the respiratory tract
Indirectly through articles freshly soiled by discharges from vesicles and mucous membranes of infected people
Incubation period:
2 – 3 weeks
Commonly 14 – 16 days
Period of communicability:
Highly contagious from 2 days prior to rash to 6 days after rash erupts
Patient remain contagious until the lesion have crusted completely
Clinical Manifestations:
Slight fever: first to appear
Body malaise, muscle pain
Eruption (maculopapular) then progresses to vesicle (3-4 days)
begins on trunk and spreads to extremities and face (even on the scalp, throat and mucus membranes)
Intense pruritus
Vesicles ended as a granular scab
Irritability
Prevention:
0.5 mL SC varicella vaccine
And for immunization of children up to 12 years of age who have not had varicella
Management:
1. Drugs
Penicillin: can be used when the crusts are severe or infected to prevent scarring or secondary invasion
Acyclovir, Immunosin – anti virus
Hydrocortisone lotion 1% for itching
2. Isolation in a room by itself
3. Provide a well-ventilated, warm room to the patient
4. Warm bath should be given daily to relieve itching (may use baking soda)
5. Avoid injuring the lesions by using soft absorbent towel and the patient should be potted dry instead of rubbed dry
6. Maintain good oral hygiene. If lesions are found in the mouth or nasal passages, antiseptic prep may be used
Complications:
1. Pneumonia
2. Nephritis
3. Encephalitis
4. Impetigo
5. Pitting or scarring of the skin
HERPES ZOSTER
Acute viral infection of the peripheral nervous system due to reactivation of varicella zoster virus.
The consequence of a reactivation of latent VZV from the dorsal root ganglia.
Contagious to anyone who has not had varicella or who is immunosuppressed.
HERPES ZOSTER
Occurs at all ages, but its incidence is highest among individuals in the 6 th through the 8 th decades of life
Approximately 2 % of patients with herpes zoster will develop a second episode of infection
Factors responsible for the reactivation of VZV are not known
Clinical manifestations
Neuralgic pain
Malaise
Burning sensation
Fever
Cluster of skin vesicles along course of peripheral sensory nerves ( unilateral and found in trunk, thorax or face): appears 3-4 days.
HERPES ZOSTER
Management:
1. Drugs
Analgesics
Corticosteroids
Anti virals (acyclovir, famcyclovir, valacyclovir)
2. Isolate client
3. Apply drying lotions (calamine)
4. Administer medications as ordered
5. Instruct client on preventive measures
SCABIES
A parasitic infection of the skin caused by a mite
Penetration is visible as papules, vesicles or tiny linear burrows containing the mites or their eggs
Lesions are prominent around finger webs, anterior surfaces of wrists and elbows, anterior axillary folds, belt portion of the buttocks
SCABIES
In infants, the head, neck, palms, and soles may be involved; these areas are usually spared in older individuals
Common in individuals living in areas of poverty where cleanliness is lacking
Causative Agent:
Sarcoptes scabiei, a mite
Mode of transmission:
Direct contact with infested skin and can be acquired during sexual contact
Transfer from undergarments and bedclothes occurs only if these have been contaminated by infested people immediately beforehand
Clinical Manifestations:
Intense itchiness especially at night, but complications are limited to lesions secondarily infected by scratching
Sites:
Interdigital areas
Flexors surface of the wrist and palms
Nipples
Umbilicus
Axillary folds
Groin or gluteal folds
Penis and scrotum
Diagnostic Examination:
Presence on skin of female mites and ova upon skin biopsy or scraping
Medical Management:
Lindane solution (Kwell)
Crotamiton (Eurax)
Anti-histamines – to reduce itchiness.
Nursing Interventions:
Boiling of linens and clothes
Encourage to change clothing and linen frequently
Warm shower bath to remove scaling debris or crusts
Putting on a gown and gloves for health care provider
LEPROSY (Hansen’s Disease)
Chronic bacterial infection characterized by the appearance of nodules in the skin or mucous membrane, and by changes in the nerves leading to anesthesia or paralysis
Causative agent:
Mycobacterium leprae (acid fast bacilli)
The organism has not been grown in bacteriologic media or cell cultures
It can be grown in mouse foot pads
Incubation Period:
Ranges from 9 months to 20 years
The average is probably 4 years for tuberculoid leprosy and twice that for lepromatous leprosy
Period of Communicability
Clinical and laboratory evidence suggest that infectiousness is loss in most instances
with 3 months of continuous and regular treatment with dapsone or clofazimine
or within 3 days of treatment with rifampin
Mode of transmission:
Exact mode of transmission is not clearly established
Prolonged intimate skin-to-skin contact and to Nasopharyngeal secretions
TYPES:
1. Tuberculoid
2. Lepromatous
3. Intermediate
Tuberculoid Type
Shows high resistance to Hansen’s bacilli
Patient can mount a cell –mediated defense against the bacilli.
1 – 2 skin lesions only which are well defined, elevated and hypopigmented
(+) Lepromin test
Lepromatous Type
Minimal resistance to the multiplication
Severest form
Patient cannot mount a cell – mediated immune response
Acid fast bacilli are found everywhere
( - ) Lepromin test
Clinical manifestations include:
Leonine facies – facial skin are thickened
Saddle nose deformity – nasal cartilage can be destroyed
Infertility – secondary to internal testicular damage
Clinical Manifestations:
Early Stage: “CLUMP”
C - changes in skin color (red or white)
L - lesion is hyposthetic and loss of sweating
U - ulcers that do not heal
M - muscle weakness or paralysis
P – painful and thickened nerves
Clinical Manifestations:
Late Symptoms: “CLISM”
C – clawing of fingers and toes
L – “leonine” appearance (due to thickened skin of the forehead and face)
I – inability to close eyelids (lagophthalmos)
S – sinking of nose bridge (saddle nose)
M – madarosis (loss of eyebrows)
Clinical Manifestations:
Cardinal Symptoms: “PPP”
P – presence of hansen’s bacilli on skin biopsy
P – presence of localized areas of anesthesia
P – peripheral nerve enlargement
Diagnostic Examinations:
Skin biopsy
Skin smear test
Lepromin test – (+) test develops a nodule on site of inoculation (1st – 3rd week )
Nerve involvement with acid – fast bacilli is pathognomonic of leprosy
Medical Management:
Multiple drug therapy (MDT)
(Rifampicin, Dapsone, and Clofazimine) over 6 – 9 months period or 18 – 30 months period
Nursing Interventions:
Full diet
A daily cleansing bath and change of clothing
Skin care
Self care, exercise, and physical therapy
TSB for fever
Prevention:
Separate infants from lepromatous parents at birth
Segregate and treat patients with open lesions
Public health supervision
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