The nurse would contact the prescriber for safety concerns about using carvedilol in which of the following clients?

A 60 year old woman with cardiac dysrhythmias post myocardial infarction. Her HR is 39 & irregular, BP 147/65

A 55-year-old woman with HTN due to renal failure from chronic pyleonephritis. HR 92. BP 145/72

A 78-year-old man with a history of hyperlipidemia & cardiac dysfunction. He is in 3rd degree heart block. HR 42. BP 92/65

A 49-year-old male, BMI 36, history of type 2 diabetes & HTN. HR 105, BP 158/92

Answer and Explanation

The Correct Answer is C

A. A 60-year-old woman with cardiac dysrhythmias post myocardial infarction. Her HR is 39 & irregular, BP 147/65: Although her heart rate is low, carvedilol is commonly used post-MI to reduce mortality, especially in patients with dysrhythmias. However, caution is warranted, and dosage adjustments or withholding may be necessary due to bradycardia.

B. A 55-year-old woman with HTN due to renal failure from chronic pyelonephritis. HR 92. BP 145/72: This client has stable vitals, and carvedilol can be safely used to help manage hypertension. Renal impairment requires monitoring, but it is not a contraindication if renal function is closely followed.

C. A 78-year-old man with a history of hyperlipidemia & cardiac dysfunction. He is in 3rd degree heart block. HR 42. BP 92/65: Carvedilol is contraindicated in clients with 2nd or 3rd degree heart block without a functioning pacemaker. It can worsen bradycardia and conduction delays, making its use unsafe in this client without rhythm control support.

D. A 49-year-old male, BMI 36, history of type 2 diabetes & HTN. HR 105, BP 158/92: This client is hypertensive and tachycardic, both of which carvedilol can help manage. Although diabetes requires careful monitoring for hypoglycemia, there is no contraindication in this scenario.

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Correct Answer is A

Explanation

A. vegetative embolization to the kidneys: Infective endocarditis is an infection of the heart valves or the endocardium. Vegetations (clumps of bacteria, fibrin, and platelets) can form on the damaged heart structures. These vegetations are fragile and can break off, forming emboli that travel through the bloodstream to various organs. Embolization to the kidneys can cause renal infarction, leading to sharp flank pain due to ischemia or infarction of kidney tissue and hematuria.

B. hemolysis of red blood cells by hemolytic microorganisms: While some bacteria can cause hemolysis, it is not typically associated with localized flank pain. Hemolysis would present with systemic signs such as jaundice, fatigue, and anemia, not acute flank pain and visible hematuria.

C. septicemia resulting in decreased glomerular blood flow: Septicemia may impair renal perfusion over time but would more likely lead to generalized signs of acute kidney injury, such as oliguria and rising creatinine levels, rather than acute flank pain and hematuria.

D. bacterial infection in the kidneys: Acute pyelonephritis can cause flank pain and hematuria, but in the context of infective endocarditis, embolic events are a more likely and urgent explanation for new-onset symptoms, particularly sharp localized pain.

A. Pulmonic B. Aortic C. Tricuspid D. Mitral

Correct Answer is A

Explanation

A. Pulmonic: The pulmonic valve is best auscultated at the second left intercostal space along the left sternal border. A murmur heard in this location is most likely associated with pulmonic valve abnormalities such as pulmonary stenosis or pulmonary regurgitation.

B. Aortic: The aortic valve is auscultated at the second right intercostal space at the right sternal border. A murmur at this site may indicate aortic stenosis or regurgitation, but not when heard on the left side as in this scenario.

C. Tricuspid: Tricuspid valve murmurs are typically heard best at the lower left sternal border, around the fourth or fifth intercostal space. This location is more inferior than where the nurse auscultated the murmur in the current assessment.

D. Mitral: The mitral valve is best heard at the fifth intercostal space at the midclavicular line (the cardiac apex). Murmurs related to mitral stenosis or regurgitation would not typically be heard at the second intercostal space near the sternum.

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The nurse would contact the prescriber for safety concerns about using carvedilol in which of the following clients?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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