Assignment: Assessing and Treating Patients With Bipolar Disorder
Assignment: Assessing and Treating Patients With Bipolar DisorderBipolar disorder is a unique disorder that causes shifts in mood and energy, which results in depression and mania for patients. Proper diagnosis of this disorder is often a challenge for two reasons: 1) patients often present as depressive or manic but may have both; and 2) many symptoms of bipolar disorder are similar to other disorders. Misdiagnosis is common, making it essential for you to have a deep understanding of the disorder’s pathophysiology. For this Assignment, as you examine the patient case study in this week’s Learning Resources, consider how you might assess and treat patients presenting with bipolar disorder.To prepare for this Assignment:Review this week’s Learning Resources, including the Medication Resources indicated for this week.Reflect on the psychopharmacologic treatments you might recommend for the assessment and treatment of patients requiring bipolar therapy.The Assignment: 5 pagesExamine Case Study: An Asian American Woman. Diagnosis-Bipolar Disorder. You will be asked to make three decisions concerning the medication to prescribe to this patient. Be sure to consider factors that might impact the patient’s pharmacokinetic and pharmacodynamic processes.At each decision point, you should evaluate all options before selecting your decision and moving throughout the exercise. Before you make your decision, make sure that you have researched each option and that you evaluate the decision that you will select. Be sure to research each option using the primary literature.Introduction to the case (1 page)Briefly explain and summarize the case for this Assignment. Be sure to include the specific patient factors that may impact your decision making when prescribing medication for this patient.Decision #1 (1 page)Which decision did you select?Why did you select this decision? Be specific and support your response with clinically relevant and patient-specific resources, including the primary literature.Why did you not select the other two options provided in the exercise? Be specific and support your response with clinically relevant and patient-specific resources, including the primary literature.What were you hoping to achieve by making this decision? Support your response with evidence and references to the Learning Resources (including the primary literature).Explain how ethical considerations may impact your treatment plan and communication with patients. Be specific and provide examples.Decision #2 (1 page)Why did you select this decision? Be specific and support your response with clinically relevant and patient-specific resources, including the primary literature.Why did you not select the other two options provided in the exercise? Be specific and support your response with clinically relevant and patient-specific resources, including the primary literature.What were you hoping to achieve by making this decision? Support your response with evidence and references to the Learning Resources (including the primary literature).Explain how ethical considerations may impact your treatment plan and communication with patients. Be specific and provide examples.Decision #3 (1 page)Why did you select this decision? Be specific and support your response with clinically relevant and patient-specific resources, including the primary literature.Why did you not select the other two options provided in the exercise? Be specific and support your response with clinically relevant and patient-specific resources, including the primary literature.What were you hoping to achieve by making this decision? Support your response with evidence and references to the Learning Resources (including the primary literature).Explain how ethical considerations may impact your treatment plan and communication with patients. Be specific and provide examples.Conclusion (1 page)Summarize your recommendations on the treatment options you selected for this patient. Be sure to justify your recommendations and support your response with clinically relevant and patient-specific resources, including the primary literature.Note: Support your rationale with a minimum of five academic resources. While you may use the course text to support your rationale, it will not count toward the resource requirement. You should be utilizing the primary and secondary literature. CORE SKILL: bipolar disorder is defined by the LIFETIME course, not the presenting cross-section. Nearly every clinical error in this area flows from diagnosing what is in front of you rather than what has happened over years.
THE DIAGNOSTIC CORE: BIPOLAR I requires at least one MANIC episode (≥7 days, or any duration if hospitalization is required; marked functional impairment; may include psychosis). Depression is common but NOT required for the diagnosis. BIPOLAR II requires at least one HYPOMANIC episode (≥4 days, observable change, no marked impairment, NO psychosis — psychosis makes it mania by definition) PLUS at least one major depressive episode. If there is psychosis during the elevated episode, it is bipolar I, full stop. CYCLOTHYMIA: ≥2 years of subthreshold fluctuation.
WHY IT’S MISSED — the two reasons the prompt alludes to: (1) patients present during DEPRESSION, not mania, because depression is what causes suffering and hypomania often feels good or productive; average diagnostic delay is measured in YEARS. (2) Hypomania is under-reported unless you ask specifically and use COLLATERAL informants — the patient may recall it as “a good month.” The highest-yield screening question is about DECREASED NEED FOR SLEEP (feeling rested on 3 hours), not insomnia. Use the MDQ as a screen.
THE CONSEQUENCE OF MISSING IT: antidepressant MONOTHERAPY in bipolar disorder can precipitate a manic switch, induce rapid cycling, or produce a mixed state. This is the single most important safety point in the assignment.
PHARMACOLOGY BY MECHANISM AND ROLE:
— LITHIUM: the only agent with strong evidence for reducing SUICIDE risk. NARROW THERAPEUTIC INDEX (0.6–1.2 mEq/L; toxicity above ~1.5). RENALLY cleared, so NSAIDs, thiazides, ACE-inhibitors, and dehydration raise levels. Monitor lithium level, renal function, TSH, calcium. Side effects: tremor, polyuria/polydipsia (nephrogenic DI), hypothyroidism, weight gain. Teratogenic — EBSTEIN’S ANOMALY (first trimester). Toxicity: coarse tremor, ataxia, confusion, seizures.
— VALPROATE: effective in acute mania and mixed states; monitor LFTs, CBC (thrombocytopenia), levels. HIGHLY TERATOGENIC — neural tube defects and reduced IQ; generally avoid in people of childbearing potential.
— LAMOTRIGINE: the agent for the DEPRESSIVE pole and maintenance; weak for acute mania. SLOW TITRATION IS MANDATORY because of STEVENS-JOHNSON SYNDROME risk (and the titration must restart if doses are missed). Valproate INHIBITS lamotrigine metabolism — the dose must be halved when co-prescribed. That interaction is a favorite exam item.
— CARBAMAZEPINE: potent CYP INDUCER (lowers OCP levels — counsel accordingly); HLA-B*1502 screening in patients of Asian ancestry; agranulocytosis, hyponatremia (SIADH).
— ATYPICAL ANTIPSYCHOTICS: quetiapine, lurasidone, and cariprazine have evidence for bipolar DEPRESSION; most SGAs work for mania.
FOR THE DECISION TREE: justify each decision with evidence, state expected vs. actual outcome, and address ethics — capacity during mania, involuntary treatment thresholds, teratogenicity counseling in patients of childbearing potential, and adherence (a patient who misses hypomania may not want it treated).
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