Exhibits

For each statement, click to specify whether the statement is consistent with iron deficiency anemia, vitamin B12 deficient anemia, or folic acid deficient anemia.

Each row must have at least one, but may have more than one, response option selected.

A. Dosage in safe range: Ensures that the dosage of vancomycin falls within the acceptable range, minimizing the risk of toxicity.
B. Blood urea nitrogen 17 mg/dl (6.07 mmol/L): Normal BUN levels indicate adequate renal function, which is important for the excretion of vancomycin.
C. Potassium 4.4 mEq/L (4.4 mmol/L): While potassium levels are important for overall health, they are not directly related to the administration of vancomycin.
D. No known allergies: Absence of allergies reduces the risk of adverse reactions to the medication.
E. Peripheral IV in large vein: A peripheral IV in a large vein allows for the administration of vancomycin without complications such as phlebitis or infiltration.
F. While vancomycin is being used for prophylaxis against endocarditis in this case, this alone does not indicate the safety of administering the antibiotic. Other factors such as renal function and absence of allergies are more directly related to the safety of vancomycin administration.

Cardiovascular

- Capillary refill 4 seconds

- A prolonged capillary refill time indicates poor peripheral perfusion, which can be a sign of hypoxia. Hypoxia can lead to reduced oxygen delivery to the tissues, resulting in delayed capillary refill.

Respiratory

- Oxygen saturation 90% on room air

- An oxygen saturation level of 90% is below the normal range (95-100%) and indicates that the blood is not adequately oxygenated, which is a direct sign of hypoxia.

- Respiratory rate 28 breaths/minute

- An elevated respiratory rate (tachypnea) is a common compensatory mechanism in response to hypoxia. The body attempts to increase oxygen intake and carbon dioxide expulsion by breathing more rapidly.

Neurological

- Anxious

- Anxiety can be a symptom of hypoxia. When the brain and other vital organs do not receive enough oxygen, it can trigger a sense of anxiety and restlessness as part of the body's alarm system.

- Restless

- Restlessness is another common symptom of hypoxia. It occurs because the body is trying to compensate for the lack of oxygen, leading to increased agitation and an inability to remain
calm.

Rationales for the Incorrect Choices:

- Cardiovascular

- Heart rate 101 beats/minute: While an elevated heart rate can be a compensatory response to hypoxia, it alone does not directly indicate hypoxia.
- Blood pressure 145/89 mm Hg: Elevated blood pressure is not a direct indicator of hypoxia and can be influenced by various factors including anxiety and pain.

- Respiratory

- Productive cough: A productive cough suggests respiratory infection or inflammation but does not directly measure oxygenation status or indicate hypoxia.

- Neurological

- Awake and alert: Being awake and alert indicates normal mental status and does not suggest hypoxia. Hypoxia typically affects cognitive function, leading to confusion or decreased level of consciousness in more severe cases.