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Nguyens’ Elimination   

Nam Nguyen has been prescribed the following medicines:
• Lisinopril 20 mg PO daily
• Hydrochlorothiazide 25 mg PO daily in the a.m.
• Metformin 500 mg PO before breakfast and lunch
Today he had blood drawn for analysis. Following are the electrolyte panel results:
Sodium 136 mEq/L
Potassium 3.0 mEq/L
Chloride 96 mEq/L
Bicarbonate 24 mEq/L
BUN 18 mg/dL

0.8 mg/dL

1. Review the lab results. Compare Nam’s lab work with the established norms for these values. Based on the lab results, what kind of assessment questions would be appropriate to ask Nam?
2. Use your pharmacology text to review Nam’s medications. Which, if any, of these medicines might be contributing to Nam’s lab results?
3. What teaching would be appropriate for Nam?
For reference please use :
Treas, L. S., Wilkinson, J. M., Barnett, K. L., & Smith, M. H. (2018). Basic Nursing: Thinking, Doing, and Caring(2nd ed.).

Rubic grading
15.0 pts
Level 4
Questions are logically answered with feasible and acceptable interventions backed by literature
12.0 pts
Level 4
Responded to assignment questions with knowledge and insight from literature.
3.0 pts
Level 4
Articulate and no grammatical errors are noted.




Subject Nursing Pages 4 Style APA


Nguyen’s Elimination

Laboratory results indicate that Nguyen’s sodium level was 136mEq/L (normal range: 135 – 145mEq/L). His sodium level was within the normal range. However, potassium concentration of 3.0mEq/L (normal range: 3.5 – 5.0mEq/L) was below the normal range. Nguyen should be asked about his dietary choices and practices since it may contribute to decreased potassium levels. In addition, he should be assessed for diarrhea or a history of diarrhea. Other signs and symptoms of hypokalemia that need to be assessed include dysrhythmias, fatigue, confusion, lethargy, nausea and vomiting, thirst, flaccid paralysis, and/or constipation (Huether & McCance, 2017). The patient’s chloride level 96 mEq/L (normal value: 103mEq/L) appears low (Huether & McCance, 2017). However, the normal chloride range is 95 to 105mmol/L (Farinde, 2019). The normal level of bicarbonate is nearly 24mEq/L; therefore, Nguyen’s bicarbonate level (24mEq/L) is equal to the normal value (Huether & McCance, 2017). Besides, the patient’s blood urea nitrogen value of 24mg/dL was within the normal range (8 to 21 mg/dL) (Farinde, 2019). Lastly, but not least, Nguyen’s creatinine value of 0.8mg/dL was at the lowest limit of the normal range (0.8 to 1.3 mg/dL) (Farinde, 2019).

Metformin is the drug of choice for the management of type 2 diabetes mellitus. Adverse events caused by metformin such as nausea, diarrhea, and decreased appetite may have increased loss of potassium in loose stool or decreased intake of potassium in the diet (Burchum & Rosenthal, 2016). Low potassium levels may also be a result of increased urine filtration rate associated with the use of diuretics (Huether & McCance, 2017). Hydrochlorothiazide is a commonly used thiazide that increases renal excretion of sodium, potassium, and chloride. Hydrochlorothiazide can cause adverse events such as hyponatremia, dehydration, hypochloremia, hypokalaemia, hyperuricemia, hyperglycemia, increased excretion of magnesium, and elevated levels of triglycerides, total cholesterol, and low-density lipoproteins (Burchum & Rosenthal, 2016). Hydrochlorothiazide action on the distal convoluted tubules contributes to the loss of potassium in urine (Herman & Bashir, 2020). Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor that prevents the formation of angiotensin II, thereby preventing angiotensin II-mediated vasoconstriction as well as aldosterone-mediated volume expansion. Principal adverse effects associated with the use of ACE inhibitors include angioedema, first-dose hypotension, persistent cough, hyperkalemia. It is unlikely that lisinopril has contributed to the lowering of serum potassium levels (Burchum & Rosenthal, 2016).

Nguyen’s education plan includes advice to take adequate quantities of fruits and vegetables as well as to stop alcohol use (if relevant) to improve serum potassium concentrations (Huether & McCance, 2017). The patient should also be advised to adhere to the intake of hydrochlorothiazide in the morning to avoid nocturia (Burchum & Rosenthal, 2016). Moreover, the potential adverse effects of each prescribed drug should be included in the patient education plan. For example, the patient should be informed and educated that the use of hydrochlorothiazide is associated with various adverse effects such as leukopenia, weakness, sialadenitis, jaundice, orthostatic hypotension, pancreatitis, gastric irritation, aplastic anemia, nausea or vomiting, agranulocytosis, hemolytic anemia, thrombocytopenia, abdominal cramping, impotence, headache, and fever. Lastly, he should be informed that the medication can cause photosensitivity, urticaria, pulmonary edema, muscle spasm, vertigo, and restlessness (Herman & Bashir, 2020). 





This question has been answered











Burchum, J. R., & Rosenthal, L. D. (2016). Lehne’s pharmacology for nursing care (10th ed.). Elsevier.

Farinde, A. (May 14, 2019). Lab values, normal adult. Medscape. https://emedicine.medscape.com/article/2172316-overview#a1

Herman, L. L., & Bashir, K. (2020). Hydrochlorothiazide. [Updated 2020 Jul 26]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK430766/

Huether, S.E., & McCance, K.L. (2017). Understanding pathophysiology (6th ed.). St. Louis, Missouri: Elsevier.


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