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What are the contraindications of oxygen?

What are the contraindications of oxygen?


Relative Contraindications Reason Contraindicated
Asthma Air trapping upon ascent leading to pneumothorax
Claustrophobia Anxiety
Congenital spherocytosis Severe hemolysis
Chronic obstructive pulmonary disease (COPD) Loss of hypoxic drive to breathe

What is involved in the administration of chemotherapy to cancer patients?

Chemotherapy is most often given as an infusion into a vein (intravenously). The drugs can be given by inserting a tube with a needle into a vein in your arm or into a device in a vein in your chest. Chemotherapy pills. Some chemotherapy drugs can be taken in pill or capsule form.

What are the major toxicities of chemotherapy?

Here are some of the more common side effects caused by chemotherapy:

  • Fatigue.
  • Hair loss.
  • Easy bruising and bleeding.
  • Infection.
  • Anemia (low red blood cell counts)
  • Nausea and vomiting.
  • Appetite changes.
  • Constipation.

Why do cancer patients need oxygen?

Cancer cells also need oxygen to survive, which is one reason why tumors make new vessels that tap into the body’s blood supply, a process called angiogenesis. As tumors quickly develop, they outgrow their oxygen supply, but surprisingly, that does not always inhibit their growth.

What are the indications for oxygen?


  • Medical emergencies requiring high concentrations of oxygen in all cases: Shock. Sepsis. Major trauma. Cardiac arrest and during resuscitation. Anaphylaxis.
  • Medical emergencies which may or may not require oxygen administration. Asthma. Bronchitis. Acute heart failure or heart failure exacerbations. Pulmonary embolism.

What is the method of oxygen administration?

Low flow delivery method Simple face mask. Non re-breather face mask (mask with oxygen reservoir bag and one-way valves which aims to prevent/reduce room air entrainment) Nasal prongs (low flow) Tracheostomy mask.

In which stage of cancer is chemotherapy used?

Metastatic cancer is considered stage IV. Chemotherapy is used to treat advanced-stage breast cancer by destroying or damaging the cancer cells as much as possible. Because chemotherapy medicines affect the entire body, chemotherapy is commonly used to treat advanced-stage breast cancer.

What are the signs of a cancer patient dying?

Signs of approaching death

  • Worsening weakness and exhaustion.
  • A need to sleep much of the time, often spending most of the day in bed or resting.
  • Weight loss and muscle thinning or loss.
  • Minimal or no appetite and difficulty eating or swallowing fluids.
  • Decreased ability to talk and concentrate.

When a cancer patient is on oxygen?

Oxygen is commonly prescribed for lung cancer patients with advancing disease. Indications include hypoxemia and dyspnea. Reversal of hypoxemia in some cases will alleviate dyspnea. Oxygen is sometimes prescribed for non-hypoxemic patients to relieve dyspnea.