OXYGEN INHALATION DEFINITION - PowerPoint Presentation

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OXYGEN INHALATION

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DEFINITION

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Administration

of oxygen is a process of providing the 02 supply to child for the treatment of low concentration of 02 in the blood. Children with respiratory dysfunctions are treated with oxygen inhalation to relieve

anoxaemia

or

hypoxaemia

(deficiency of oxygen in the blood). The normal amount of oxygen in the arterial blood should be in the range of 80 to 100 mm of Hg. If it falls below 60 mm of Hg; irreversible physiologic effects may occur. The oxygen administration treats the effects of oxygen deficiency but it does not correct the underlying causes

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PURPOSES

OF

OXYGEN

INHALATION

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To manage the condition of hypoxia

To -maintain the oxygen tension in blood plasma

To increase the oxy hemoglobin in red blood cells

To maintain the ability of cells to carry out the normal metabolic function

To reduce the risk of complications

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COMMON

INDICATIONS

FOR

OXYGEN

ADMINISTRATION

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Cyanosis: Bluish discoloration of skin, nail buds, mucus membranes, resulting from a decreased amount of oxygen in the hemoglobin of the blood.

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Breathlessness or labored breathing: By some diseases such as - emphysema, pulmonary embolism, coronary thrombosis etc.

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Anemia

Diseases such as - pulmonary edema, pneumonia, chest trauma etc

Environment with low oxygen content e.g. high attitudes

Poisoning with chemicals that alter the tissues ability to utilize oxygen e.g. cyanide poisoning

Hemorrhage

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ARTICLES

NEEDED

FOR

OXYGEN

ADMINISTRATION

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Oxygen source - 02 cylinder, central supply

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Oxygen instrument according to methods like – oxygen mask, oxygen hood, nasal prongs, nasal catheter, oxygen tent or canopy

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Humidifier

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Flow meter

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Gauze pieces

Adhesive tape

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‘No smoking' signs

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Spinner to open the main valve of oxygen cylinder

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Bowel with water to check the patency of the tube

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METHODS

OF

OXYGEN

ADMINISTRATION

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Oxygen administration depends upon the condition of child, age, concentration desired, facilities available and the preference of the doctor. Oxygen administration can be given continuously or intermittently. It depends on the requirement of the child. It is given in 40 to 60 percent concentration. There are following methods of oxygen administration

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ADMINISTRATION OF 02 BY NASAL CATHETER

This is very common method of 02 administrations in hospital settings. A catheter is inserted into the nostril reaching up to the uvula and is held in place by adhesive tapes

This catheter does not interfere with the Childs freedom to eat, to talk and to move on the bed. Catheter no. 4 to 6 is used and it should be 7.5 to 10 cm inserted in the

naso

pharynx. The catheter should be removed every 8 hourly, and new catheter should be inserted by using other nostril alternatively. Catheter method is used for the older children. The amount of oxygen should be 4 liter per minute

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ADMINISTRATION OF OXYGEN BY THE MASK

Today, there are various face masks available that cover the Childs mouth and nose for 02 administration. The mask size should be according to the child's size. It should be properly fitted and if it does not fit properly, 02 will be lost from the mask. It should be removed after every four hours and-wine the face. The masks are advantageous for those patients who are unable to breathe through nose. The flow of oxygen should be about 2-3

litre

for young children and 1-2

litre

/minute for the infants

.

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ADMINISTRATION OF OXYGEN BY THE TENT METHOD

The oxygen tent method consists of a canopy over the patients bed, that cover the patient fully or partially. Oxygen tent is made up of plastic material, transparent and prevent absorption of oxygen. The lower part of the canopy is tucked under the bed to prevent the escape of oxygen. There are certain advantages and disadvantages for using a oxygen tent method.

Oxygen tent provides the environment for the patient with controlled oxygen concentration, temperature regulation and humidity control.

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PROCEDURES

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Assemble the 02

headbox

Place the

headbox

properly covering head, face and neck.

Seal the opening of

headbox

around neck to minimize 02 leaking

Attach thermometer probe to head box via aperture or use disposable thermometer

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Adjust 02 and air flow rates to achieve prescribed oxygen concentration the total flow should be between 6 and 8 liters per minute to prevent accumulation of carbon dioxide in the head box.

Place sensor of oxygen analyzer into

headbox

alongside infant's nose (within 8 cm) to check oxygen concentration in

headbox

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NURSING PRINCIPLES

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Monitor oxygen concentration hourly

Check frequently for loose connections in the

circut

Ensure position of oxygen analyzer sensor is close to infant's nose and not in mainstream of the oxygen hose

Maintain the infant's head inside the

headbox

Fill humidifier to appropriate level with distilled water PRN

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G. Maintain inspired gas temperature as indicated below

Weight in kg 0.5 1 2 3 4

Temperature=C 35-37 34-36 33-35 31-34 30-33

All procedures through open incubator doors or with infant partially out of the incubator should be carried out with the infant in

headbox

or with a mask connected to gas supply, and close to the infant's nose.

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DISADVANTAGES

It creates a feeling of isolation.

It requires high volume of oxygen which is not easily available.

When tent is opened, there is loss of 02 concentrations

It has more chances of fire.

It requires more time and cleanliness to maintain a tent.

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COMPLICATIONS

OF

0XYGEN

ADMINISTRATIONS

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Infection: By using the contaminated equipments, the causative organisms can be present in such places as tracheotomy or

endotracheal

tubes, catheters, humidifying water and masks etc.

Drying of mucus membrane of the respiratory tract: It can occur when oxygen is administered without sufficient humidity. It can cause irritation and drying of the mucus membrane.

Combustion (fire) : 02 itself does not burn, but it supports combustion.

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Oxygen toxicity: Symptoms of toxicity includes tracheal irritation and cough.

Atelectasis

: Collapse of alveoli develops as a result of increased oxygen concentration in the inspired air. This is due to elimination of nitrogen.

Oxygen induced

apnoea

: The carbon dioxide is washed off completely from the blood by a high concentration of oxygen. The respiratory center is not stimulated sufficiently.

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Asphyxia: Patient who receives 02 by masks and close tents must be protected from asphyxia.

Retrolental

fibroplasia

: The hazards of oxygen may affect the eyes. It is noted in premature infants who have a high concentration of oxygen inhalation.

Some others are -

Bronchopulmonary

, dysplasia, respiratory depression, seizure disorders and epilepsy.

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IMPORTANT

INSTRUCTIONS

FOR

OXYGEN

INHALATION

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Oxygen should be prescribed in specific dose. It acts as a drug and cause oxygen toxicity.

Always use humidifier and regulator.

All the articles should 'be cleaned and use the disposable nasal catheter and change the nasal

catheter every 8 hourly.

Lubricate the nasal catheter before inserting.

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Control valve of cylinder should be adjusted only when catheter is out of nose. or during oxygenation, do not alter the valve.

Discontinue of oxygen should be gradually.

Leave a calling signal or bell near the patient while going away from the patient.

Keep in close observation conditions, which can interfere with the flow of oxygen from the source to the patient.

Keep ready one cylinder to prevent the deprivation of oxygen.

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Give oxygen in low concentration to the premature babies to prevent the.

retrolental

fibroplasia

.

Continuously monitoring of patient to find out the oxygen toxicity symptoms.

Empty cylinder should mark "empty" and keep separately from full cylinders.

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While oxygen administration, paste the "No Smoking" signs, near the patient bed or on the door.

Proper recording and reporting should be followed

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