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7.3 Intradermal and Subcutaneous Injections
Intradermal injections (ID) are injections administered into the dermis, just below the epidermis. The ID injection route has the longest absorption time of all parenteral routes. These types of injections are used for sensitivity tests, such as TB (see Figure 7.13), allergy, and local anesthesia tests. The advantage of these tests is that the body reaction Read more »
6.5 Instilling Eye, Ear, and Nose Medications
Instilling Eye Medications The eye is the most sensitive organ to which medication may be applied (Perry et al., 2014). The cornea is especially sensitive, making the conjunctival sac the appropriate site for instilling eye (ophthalmic) medications. Checklist 48 outlines the steps for instilling eye medications. Checklist 48: Instilling Eye (Ophthalmic) Medications Disclaimer: Always review and follow Read more »
6.2 Safe Medication Administration
In the Institute of Medicine’s often-cited book To Err Is Human: Building a Safer Health System (Kohn, Corrigan, & Donaldson, 2000), it is estimated that approximately 1.5-million preventable adverse drug events (ADEs) occur annually. The Joint Commission (TJC) defines medication errors as any preventable event that may cause inappropriate medication use or jeopardize patient safety (TJC, Read more »
5.9 Summary
Oxygen is essential to life. The main goal of oxygen therapy is to prevent hypoxemia, thereby preventing hypoxia that could result in tissue damage and cell death. Hypoxia, if caused by certain medical conditions, can be managed and prevented by oxygen therapy. In other instances, such as with anemia and decreased cardiac output, the effects of oxygen Read more »
5.5 Oxygen Therapy Systems
Tissue oxygenation is dependent on optimal or adequate delivery of oxygen to the tissues. Increasing the concentration of inhaled oxygen is an effective method of increasing the partial pressure of oxygen in the blood and correcting hypoxemia. Simply stated, oxygen therapy is a means to provide oxygen according to target saturation rates (as per physician Read more »
5.6 Management of Hypoxia
Hypoxemia or hypoxia is a medical emergency and should be treated promptly. Failure to initiate oxygen therapy can result in serious harm to the patient. The essence of oxygen therapy is to provide oxygen according to target saturation rate, and to monitor the saturation rate to keep it within target range. The target range (SaO2) Read more »
5.2 Principles
The air we breathe is made up of various gases, 21% of which is oxygen. Therefore, a patient who is receiving no supplemental oxygen therapy is still receiving oxygen from the air. This amount of oxygen is adequate provided that the patient’s airway is not compromised and there is sufficient hemoglobin in the blood. The cardiovascular system must also be intact Read more »
3.7 Patient Transfers
Transfers are defined as moving a patient from one flat surface to another, such as from a bed to a stretcher (Perry et al., 2014). Types of hospital transfers include bed to stretcher, bed to wheelchair, wheelchair to chair, and wheelchair to toilet, and vice versa. Patient Transfer from Bed to Stretcher A bed to stretcher Read more »
3.8 Fall Prevention
Patient falls are the most reported patient safety events in British Columbia and account for 40% of all adverse events (BCPSLS, 2015). Falls are a major priority in health care, and health care providers are responsible for identifying, managing, and eliminating potential hazards to patients. All patient-handling activities (positioning, transfers, and ambulation) pose a risk Read more »
3.4 Immobility and Assisting Patients
When patients are recovering from illness, they may require assistance to move around in bed, to transfer from bed to wheelchair, or to ambulate. Changing patient positions in bed and mobilization are also vital to prevent contractures from immobility, maintain muscle strength, prevent pressure ulcers, and help body systems function properly for optimal health and Read more »