Get Answer: Called Patient Admit Question Guide

This type of question evaluates analytical and critical thinking skills.

What This Question Is About

This question relates to called patient admit and requires a structured academic response.

How to Approach This Question

Use appropriate theories and support your answer with clear reasoning.

Key Explanation

This topic involves called patient admit. A strong answer should include explanation, application, and examples.

Original Question

You are called on a patient in the ED to admit a 55-year-old male who presented to the ER today with AMS and severe hyponatremia (Na+ 120). The ER physician tells you the patient has a history of small cell lung cancer (recently diagnosed), hypertension, and hypothyroidism. Based on this limited information, list at least 2 differential diagnoses that could cause AMS and hyponatremia (list at least 2 diagnoses for each system): Neuro: • Brain metastases from small cell lung cancer • Hyponatremia causing cerebral edema and altered mental status CV: • Acute kidney injury due to hypotension or decreased renal perfusion • Heart failure leading to volume overload and syndrome of inappropriate antidiuretic hormone (SIADH) secretion Pulmonary: • Pulmonary infection exacerbating SIADH or hyponatremia • Small cell lung cancer (SCLC) leading to paraneoplastic syndrome, including (SIADH) GI: • Hepatic dysfunction, possibly from metastasis, leading to electrolyte imbalances • Malnutrition or inadequate intake, exacerbated by cancer-related anorexia/cachexia GU: • SIADH due to renal water retention • Acute kidney injury, likely prerenal, leading to decreased urine output Metabolic: • Hypothyroidism exacerbation, early symptom, hence (TSH is within normal range) • SIADH due to small cell lung cancer or medications Psychiatric: • Depression or other psychiatric causes exacerbating confusion (less likely in this case) • Delirium or altered mental status due to metabolic disturbances You arrive to the ED, and you find the patient appearing older than their stated age, pale, and lethargic. He is arousable to touch but confused. He is unable to answer questions coherently. His wife is at bedside, and you ask her to update you on the duration of the current illness and any factors that she is aware of that may have precipitated this event. She explains to you that he has been progressively more confused and lethargic over the past 5 days. She also notes a significant decrease in urine output over the past two days, despite him drinking fluids regularly. His appetite has been poor, and he’s been feeling fatigued. She reports no recent vomiting, diarrhea, or fever but mentions his diagnosis of small cell lung cancer. You ask the wife if he takes any medications or illicit substances, and she reports that he is on levothyroxine for hypothyroidism and lisinopril for hypertension. She denies any history of substance abuse, illicit drugs, or alcohol. Given the presenting symptoms and hyponatremia, you note the following vital signs: HR 92, BP 110/72, RR 18, SpO2 96% on room air. What are at least 3 pertinent positives from the information now that begin to clue you into a possible diagnosis? • Patient has a significant decrease in urine output over 2 days despite adequate fluid intake, which is concerning for SIADH or kidney injury. • Patient has a history of small cell lung cancer, which can cause paraneoplastic syndromes like SIADH. • Patient has a progressive confusion and lethargy over 5 days, which is a key feature of AMS. What are at least 3 significant negatives from the information provided that can begin to exclude some causes for AMS and hyponatremia? • Patient has a normal thyroid function test, TSH and free T4, ruling out hypothyroidism as a cause of AMS and hyponatremia. • Patient and wife denies any history of alcohol or illicit drug use, making toxic metabolic causes less likely. • Patient has no complain of recent vomiting, diarrhea, or fever, which helps rule out GI causes (e.g., infection or dehydration). Given the information provided, write out what your “one-liner” for this patient would be thus far that you would tell your physician: • A 55-year-old male with Syndrome of Inappropriate Antidiuretic Hormone (SIADH), likely paraneoplastic syndrome due to small cell lung cancer, resulting to severe hyponatremia hence altered mental status. Given the history obtained, what at least 5 lab tests would you want to order? • Arterial blood gas (ABG) and BMP – To check for acid-base disturbances that may contribute to AMS as well as Na, BUN, Cr and Glucose levels to check dehydration • Urine sodium and osmolality – To assess for SIADH versus other causes of hyponatremia. • Serum cortisol and Thyroid level – To evaluate for adrenal insufficiency and thyroid hormones. • Chest X-ray/CT scan – To assess for pulmonary metastasis or other lung pathology. • Brain MRI/CT – To rule out brain metastases or other neurologic causes. Your labs return: Serum sodium: 120 Serum osmolality: 260 mOsm/kg (low) Urine osmolality: 410 mOsm/kg (high) Urine sodium: 55 mEq/L (high) TSH: 2.1, free T4: 1.1 BUN: 12, creatinine: 0.8 Glucose: 98 What does this show? Be specific indicating the tonicity, electrolyte abnormality, and disease process. • This shows a hypotonic hyponatremia with inappropriately concentrated urine, which strongly suggests SIADH as the underlying cause. The patient’s small cell lung cancer is the leading cause of the paraneoplastic SIADH. Is this concerning? Why? • Yes, is concerning because this patient still has severe hyponatremia of Na+ 120 with significant neurological symptoms such as AMS which can lead to more confusion, lethargy, seizures, coma and even death. Given patients history of small cell lung cancer, SIADH is a likely cause. If the situation is left untreated, his hyponatremia could worsen and lead to a life-threatening-complications. What is your “one-liner” statement to your collaborative physician now? • 55-year-old male with small cell lung cancer presenting with altered mental status, severe hyponatremia (Na+ 120), and findings suggestive of SIADH, likely paraneoplastic in nature. Your physical exam: Temp: 36.8°C, HR: 92, BP: 110/72, SpO2: 96% on RA Constitutional: Appears older than stated age, lethargic HEENT: PEERL, moist mucous membranes CV: RRR, no murmurs, rubs, or gallops, no edema Resp: CTA bilaterally GI: Nontender, nondistended, normal bowel sounds GU: Normal external exam Skin: Intact, no rashes or lesions Neuro: AMS, no focal deficits, reflexes intact, responds to pain What are 3 pertinent positives and 3 negatives in the ROS and physical exam? Positives: • Patient has no focal neurologic deficits on exam, but still altered mental status, suggesting a metabolic etiology. • Patient has a normal vital signs and physical exam otherwise, no obvious signs of infection or heart failure. • Patient appears older than stated age and lethargic, which indicates general deterioration and AMS. Pertinent negatives: • Patient has no focal neurologic signs (e.g., weakness, numbness), ruling out a stroke or significant neurologic injury. • Patient has no edema or signs of volume overload, making heart failure less likely as a primary cause of hyponatremia. • Patient has no fever, which rules out infection as a primary cause of AMS. What is your #1 working diagnosis and assessment after reviewing all this information? • SIADH, likely paraneoplastic syndrome due to small cell lung cancer, leading to severe hyponatremia and altered mental status. As the provider, what are the 4 important things to order now to treat this? • Hypertonic saline (3% NaCl) – To correct the severe hyponatremia cautiously, infuse slowly. • Fluid restriction – To address the underlying water retention in SIADH. • Loop diuretics – To help excrete excess water, if necessary, once the sodium level is corrected. • Cancer-directed therapy – Evaluate the patient’s cancer treatment options (e.g., chemotherapy, radiation) to address the underlying malignancy causing the SIADH. Your new diagnostic tests return: Serum sodium: 126 (improved) Serum osmolality: 270 mOsm/kg (slightly low) Urine osmolality: 420 mOsm/kg (unchanged) BUN: 10, creatinine: 0.8 Is this an improvement? • Yes, the serum sodium has improved from 120 to 126, which indicates a partial correction, moreover, it is still not fully corrected (low range of Na), and further correction is necessary Would you correct the sodium level rapidly? Why or why not? • No, evidence-based guideline recommends not to correct the sodium level rapidly. Rapid correction of hyponatremia can lead to central pontine myelinolysis, a severe neurological complication. Sodium should be corrected slowly, typically no more than 8-10 mEq/L per day. The patient requires close monitoring to avoid overly rapid correction. Discuss the evidence behind your colleague’s treatment plan. Analysis of their chosen treatment plan for this patient. In the analysis state whether you agree or do not agree with the treatment plan and support your answer with an evidence based guideline/ reference. If you agree with the treatment plan, your answer should be supported with the research/outcome data which supports the interventions identified in the treatment plan. If you do not agree with the treatment plan, explain why you do not agree, support your position with research/outcome data, and explain what you would do differently. Your responses should be written professionally and should be in complete sentences. Use APA 7th edition for citations and references. Place the references that you use at the end of your response. . You must include at least 1 peer reviewed journal article. use only peer reviewed, professional journal articles to complete this portion of the assignment.

******CLICK ORDER NOW BELOW AND OUR WRITERS WILL WRITE AN ANSWER TO THIS ASSIGNMENT OR ANY OTHER ASSIGNMENT, DISCUSSION, ESSAY, HOMEWORK OR QUESTION YOU MAY HAVE. OUR PAPERS ARE PLAGIARISM FREE*******."