Exhibits
For each assessment finding, click to specify if the assessment finding is consistent with diabetic ketoacidosis (DKA) or hyperglycemic-hyperosmolar state (HHS). Each finding may support more than 1 disease process.
Urine ketones
Creatinine greater than expected reference range
Blood glucose greater than expected reference range
Skin turgor
Blood pH greater than expected reference range
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- Urine ketones:
They are commonly present in DKA due to the breakdown of fats as an alternative energy source when insulin is insufficient. Ketones in urine are a hallmark sign of DKA.
Ketones may not be present in urine in HHS because insulin levels are sufficient to prevent excessive breakdown of fats. Therefore, urine ketones are more specific to DKA.
- Creatinine greater than expected reference range
DKA: In DKA, dehydration and electrolyte imbalances can lead to acute kidney injury (AKI), resulting in elevated creatinine levels.
HHS: Elevated creatinine can also occur in HHS due to severe dehydration and reduced kidney perfusion.
- Blood glucose greater than expected reference range:
DKA: Extremely high blood glucose levels (typically >250 mg/dL) are a hallmark of DKA due to insulin deficiency and the resultant inability to transport glucose into cells for energy.
HHS: Similar to DKA, HHS is characterized by extremely high blood glucose levels (often >600 mg/dL). Therefore, elevated blood glucose levels are consistent with both DKA and HHS.
- Skin turgor
DKA: Decreased skin turgor is indicative of dehydration, which is common in DKA due to excessive urination (polyuria) and fluid loss.
HHS: Similarly, decreased skin turgor can also be seen in HHS due to profound dehydration caused by excessive hyperglycemia and osmotic diuresis.
- Blood pH greater than expected reference range
DKA: DKA is characterized by metabolic acidosis, leading to a decreased blood pH (<7.35). Therefore, a pH greater than expected reference range would not be typical for DKA.
HHS: HHS, on the other hand, is characterized by severe hyperglycemia without significant ketoacidosis. Patients with HHS can have a normal or even elevated blood pH (>7.45) due to compensation mechanisms and absence of significant acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
IV pump rate= (Volume to be infused (mL) × 60) / Time of infusion (min).
For the given scenario, the nurse has 50 mL to infuse over 30 minutes. Using the formula, Pump rate= (50 mL × 60) / 30 min= 100 mL/hr.
Therefore, the nurse should set the IV pump to deliver 100 mL/hr.
Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A"},"C":{"answers":"B"},"D":{"answers":"A"},"E":{"answers":"A"},"F":{"answers":"B"},"G":{"answers":"C"}}
Explanation
Metoprolol 5 mg every 2 to 3 min up to three doses
Nonessential: Metoprolol is a beta-blocker used to reduce heart rate and blood pressure. However, in this scenario, the client already has a history of irregular heart rate and is currently tachycardic. Starting metoprolol at this frequency and dose without knowing the client's response or stability could exacerbate their condition. Therefore, it is considered nonessential until further assessment and stabilization.
Oxygen at 2 L/min via nasal cannula
Anticipated: The client's oxygen saturation dropped to 89% at 1015 and improved to 92% with oxygen supplementation by 1200. Given the client's symptoms and fluctuating oxygen saturation, supplemental oxygen is necessary to ensure adequate tissue oxygenation and is anticipated to support respiratory function.
Draw electrolytes along with Hgb and Hct
Nonessential: While electrolyte levels (such as potassium) are important to monitor, they are not immediately critical in the management of acute myocardial infarction or unstable angina. They can be drawn later for comprehensive assessment but are not urgently needed in the acute phase of care.
Morphine 6 mg IV bolus every 3 hr as needed for pain
Anticipated: Morphine is indicated for managing severe pain, such as chest pain associated with myocardial infarction. The client reported significant chest pain (7/10 initially), and morphine is appropriate to alleviate discomfort and reduce myocardial oxygen demand.
Nitroglycerin 0.4 mg SL now may repeat every 5 min up to 3 doses
Anticipated: Nitroglycerin is a vasodilator that helps relieve chest pain associated with angina or myocardial infarction by dilating coronary arteries. Given the client's chest pain and the protocol for administering nitroglycerin, it is anticipated to be effective in managing symptoms and improving coronary blood flow.
Obtain daily weight
Nonessential: Daily weight monitoring is useful for assessing fluid status in some conditions, but it is not immediately necessary in the acute management of myocardial infarction or unstable angina unless there are signs of fluid overload or heart failure, which are not evident in this case.
Atropine 0.5 mg IV bolus every 5 min up to 2 mg
Contraindicated: Atropine is used to treat bradycardia (slow heart rate). However, the client in this scenario is tachycardic (rapid heart rate), and atropine would exacerbate this condition. Therefore, it is contraindicated and should not be administered.
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