{"id":4968,"date":"2025-01-22T00:33:00","date_gmt":"2025-01-22T00:33:00","guid":{"rendered":"https:\/\/www.osmosis.org\/blog\/?p=4968"},"modified":"2025-10-15T11:57:21","modified_gmt":"2025-10-15T19:57:21","slug":"usmle-step-2-question-of-the-day-medication-effects","status":"publish","type":"post","link":"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects","title":{"rendered":"USMLE\u00ae Step 2 Question of the Day:\u00a0Medication effects"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">In This Article<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\/#The_correct_answer_to_todays_USMLE%C2%AE_Step_2_CK_Question_is%E2%80%A6\" >The correct answer to today\u2019s USMLE\u00ae Step 2 CK Question is\u2026<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\/#Incorrect_Answer_Explanations\" >Incorrect Answer Explanations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\/#Major_Takeaway\" >Major Takeaway&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\/#References\" >References<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\"><em>Today, we&#8217;re examining a <strong>clinical case<\/strong> of a with intermittent palpitations and progressive fatigue over three months. Can you identify potential <strong>arrhythmias <\/strong>or <strong>cardiac abnormalities<\/strong> based on her <strong>ECG <\/strong>and <strong>laboratory findings<\/strong>? Let&#8217;s find out!<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>67-year-old woman<\/strong> comes to the office because of <strong>intermittent palpitations <\/strong>and <strong>progressive fatigue<\/strong> for the <strong>past three months<\/strong>. The patient <strong>does not have<\/strong> a <strong>cough, shortness of breath, or chest pain<\/strong>. Past <strong>medical history is significant for type II diabetes mellitus and hyperlipidemia<\/strong>. Current medications include <strong>metformin <\/strong>and <strong>atorvastatin<\/strong>. Family history is <strong>noncontributory<\/strong>. She has a <strong>20-year smoking history<\/strong> and <strong>does not use alcohol or illicit drugs<\/strong>. Her <strong>temperature is 37.33\u00b0C (99.2\u00b0F), pulse is 120\/minute and irregularly irregular, respirations are 17\/min, and blood pressure is 130\/75 mm Hg.<\/strong> ECG and laboratory findings are shown below.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"347\" src=\"https:\/\/hm-healthdigital-multisite.go-vip.net\/osmosisblog\/wp-content\/uploads\/sites\/2\/2024\/12\/atrial-fibulation.jpg\" alt=\"\" class=\"wp-image-4969\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/atrial-fibulation.jpg 900w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/atrial-fibulation.jpg?resize=300,116 300w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/atrial-fibulation.jpg?resize=768,296 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Laboratory value<\/strong>&nbsp;<\/td><td><strong>Result<\/strong>&nbsp;<\/td><\/tr><tr><td>Hemoglobin&nbsp;<\/td><td>13.5 g\/dL&nbsp;<\/td><\/tr><tr><td>Leukocyte count&nbsp;<\/td><td>8000\/mm<sup>3<\/sup>&nbsp;<\/td><\/tr><tr><td>Platelet count&nbsp;&nbsp;<\/td><td>&nbsp;230,000\/mm<sup>3<\/sup>&nbsp;<\/td><\/tr><tr><td>Creatinine&nbsp;&nbsp;<\/td><td>1.9 g\/dL&nbsp;<\/td><\/tr><tr><td>BUN&nbsp;<\/td><td>35 mg\/dL&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Which of the following is the <em>best treatment option<\/em> to prevent long-term <em>complications <\/em>in this patient?\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A. Salmeterol<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B. Low-molecular-weight heparin<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C. Warfarin<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D. Hydrochlorothiazide<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>E. Tiotropium<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>Scroll down for the correct answer!<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_correct_answer_to_todays_USMLE%C2%AE_Step_2_CK_Question_is%E2%80%A6\"><\/span>The correct answer to today\u2019s USMLE\u00ae Step 2 CK Question is\u2026<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C. Warfarin<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before we get to the&nbsp;<strong>Main Explanation<\/strong>, let\u2019s see why the answer wasn\u2019t A, B, D, or E. Skip to the bottom if you want to see the correct answer right away!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Incorrect_Answer_Explanations\"><\/span>Incorrect Answer Explanations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A. Salmeterol<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Incorrect: <\/strong>Salmeterol is a <strong>\u03b22 adrenergic agonist<\/strong> that can <strong>worsen the heart rate<\/strong> in patients with <strong>atrial fibrillation<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B. Low-molecular-weight heparin<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Incorrect:<\/strong> <strong>Low-molecular-weight heparin<\/strong> is not recommended for <strong>long-term prophylactic management<\/strong> in patients with atrial fibrillation. Moreover, this patient should avoid it due to her <strong>renal insufficiency <\/strong>(creatinine >1 g\/dL). <strong>Oral anticoagulants<\/strong> (direct thrombin inhibitors and factor Xa inhibitors) can be used when <strong>warfarin <\/strong>is contraindicated or not available.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D. Hydrochlorothiazide<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Incorrect:<\/strong> Hydrochlorothiazide is an <strong>antihypertensive agent<\/strong> that has no role in the management of atrial fibrillation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>E. Tiotropium<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Incorrect:<\/strong> Tiotropium is an <strong>anticholinergic agent<\/strong> indicated in <strong>chronic obstructive pulmonary disease<\/strong> management.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"591\" height=\"562\" src=\"https:\/\/hm-healthdigital-multisite.go-vip.net\/osmosisblog\/wp-content\/uploads\/sites\/2\/2024\/12\/Atrial-fibrillation-scoring.png\" alt=\"CHA2DS2-VASc: SCORE\nCongestive heart failure\/LV dysfunction: 1\nHypertension: 1\nAge = or &gt; 75 years: 2\nDiabetes mellitus: 1\nStroke\/TIA\/TE: 2\nVascular disease (prior MI, PAD, or aortic plaque)\nAge 65-74 years: 1\nSex category (female): 1\" class=\"wp-image-4970\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/Atrial-fibrillation-scoring.png 591w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/Atrial-fibrillation-scoring.png?resize=300,285 300w\" sizes=\"auto, (max-width: 591px) 100vw, 591px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This patient presents with <strong>progressive fatigue <\/strong>and <strong>palpitations<\/strong>, with an <strong>irregular heart rate<\/strong> documented on ECG consistent with <strong>atrial fibrillation (AF)<\/strong>. In addition to rate and rhythm control, <strong>long-term anticoagulation with warfarin<\/strong> or another <strong>oral anticoagulant <\/strong>(e.g. <strong>dabigatran<\/strong>) is indicated due to the<strong> high risk of future thromboembolism <\/strong>given her <strong>CHA2DS2<\/strong>-VASc is \u22652.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Systemic thromboembolism <\/strong>and <strong>stroke<\/strong> are major long-term complications in patients with atrial fibrillation. Treatment with anticoagulation has been shown to <strong>reduce the annual risk of stroke by 64% <\/strong>compared to placebo and <strong>by 37% compared to antiplatelet therapy<\/strong> alone.\u00a0\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Warfarin<\/strong> <strong>inhibits vitamin K- dependent \u0263-carboxylation of glutamic acid residues of clotting factors II, VII, IX, and X\u00a0<\/strong> by <strong>inhibiting the VKOR complex,<\/strong> thus depleting functional <strong>vitamin K reserves<\/strong> and reducing the synthesis of <strong>active clotting factors<\/strong>. In addition to AF, warfarin has been used as an adjunct to reduce the risk of <strong>systemic embolism <\/strong>(e.g., recurrent myocardial infarction, stroke) after <strong>myocardial infarction<\/strong> and <strong>prophylaxis and treatment of thromboembolic disorders<\/strong> (e.g., venous, pulmonary) and embolic complications arising from <strong>cardiac valve replacement<\/strong>.\u00a0\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Warfarin therapy should be monitored to determine dose adjustments required to optimize the <strong>time in the therapeutic range (TTR)<\/strong>. Warfarin affects the<strong> extrinsic coagulation pathway,\u00a0<\/strong> measured by the <strong>prothrombin time (PT)<\/strong> due to early depletion of <strong>factor VII<\/strong>. PT readings from different institutions cannot be accurately compared (due to testing kits from other companies). Therefore, the PT gets converted into a standardized value,<strong> the international normalized ratio (INR). <\/strong>A <strong>regular INR is \u22641.1<\/strong>, and while on warfarin, the general goal INR lies between 2 and 3.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"514\" height=\"463\" src=\"https:\/\/hm-healthdigital-multisite.go-vip.net\/osmosisblog\/wp-content\/uploads\/sites\/2\/2024\/12\/clotting-cascade.png\" alt=\"THE CLOTTING CASCADE\nINTRINSIC PATHWAY\nCollagen\nKallikrein\nHMWK --&gt;\n(Hageman Factor) XII --&gt; XIIA --&gt; XI --&gt;XIa --&gt;IX --&gt; IXA (CO2) --&gt;\nEXTRINSIC PATHWAY\nDamage to endothelial tissue: III --&gt;IIIa --&gt; CO2 --&gt; \nCOMMON PATHWAY\nX --&gt; Xa --&gt; X --&gt;\nThrombin --&gt; V --&gt; VA -----&gt; (CO2) - II --&gt; IIa (Thrombin) ----&gt;\nI --&gt; Ia (Fibrin) ---&gt; (CO2) or (STABLIZING FACTOR) XIII ---&gt; XIIIa ----&gt; STABLE FIBRIN CLOT\" class=\"wp-image-4971\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/clotting-cascade.png 514w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/clotting-cascade.png?resize=300,270 300w\" sizes=\"auto, (max-width: 514px) 100vw, 514px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Major_Takeaway\"><\/span>Major Takeaway&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Warfarin<\/strong> is a<strong> vitamin K antagonist<\/strong> used for <strong>chronic anticoagulation<\/strong> (e.g., <strong>venous thromboembolism prophylaxis<\/strong>, and <strong>prevention of stroke <\/strong>in patients with atrial fibrillation). In laboratory assays, it affects the <strong>extrinsic coagulation pathway<\/strong> and therefore is monitored by<strong> serum PT and INR levels<\/strong>. The <strong>target INR<\/strong> in patients on warfarin lies <strong>between two and three<\/strong>.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"References\"><\/span>References<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Steinberg, B. A., &amp; Piccini, J. P. (2014). Anticoagulation in atrial fibrillation. Bmj, 348, g2116.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Michaud G.F., &amp; Stevenson W.G. (2018). Atrial fibrillation. Jameson J, &amp; Fauci A.S., &amp; Kasper D.L., &amp; Hauser S.L., &amp; Longo D.L., &amp; Loscalzo J(Eds.), Harrison&#8217;s Principles of Internal Medicine, 20e. McGraw-Hill.&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/osmosis.org\/create\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"250\" src=\"https:\/\/hm-healthdigital-multisite.go-vip.net\/osmosisblog\/wp-content\/uploads\/sites\/2\/2024\/12\/Blog_Display_Ads_GENERAL1_2023.png\" alt=\"\" class=\"wp-image-4972\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/Blog_Display_Ads_GENERAL1_2023.png 700w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/Blog_Display_Ads_GENERAL1_2023.png?resize=300,107 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>Want more &nbsp;USMLE\u00ae Step 2 CK practice questions?&nbsp;Try Osmosis by Elsevier today! Access your&nbsp;<a href=\"https:\/\/www.osmosis.org\/login?type=create\" target=\"_blank\" rel=\"noreferrer noopener\">free trial<\/a>&nbsp;and discover why millions of current and future clinicians and caregivers love learning with us.<\/strong><\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A 67-year-old woman presents with palpitations and fatigue. Dive into her ECG and labs to discover which treatment effectively prevents serious AF complications.<\/p>\n","protected":false},"author":202,"featured_media":4973,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[27,5,10,20,16,1366,43,1370,45],"tags":[1974,307,1973,303,195,1969,302,1972,306,1971,215,1968,305,84,245,1970,149,1967,671,304],"class_list":["post-4968","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medicine","category-clerkships","category-clinical-skills","category-exam-prep","category-do","category-questions","category-residency","category-step-2-questions","category-step-2","tag-anticoagulant-drugs","tag-anticoagulation","tag-arrhythmia-management","tag-atrial-fibrillation","tag-cardiology","tag-cha2ds2-vasc","tag-clinical-case-study","tag-diabetes-and-heart-disease","tag-ecg","tag-ecg-findings","tag-healthcare-education","tag-inr-monitoring","tag-medical-assessment","tag-medical-education","tag-nursing-education","tag-palpitations","tag-patient-care","tag-stroke-prevention","tag-usmle-step-2","tag-warfarin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>USMLE\u00ae Step 2 Question of the Day:\u00a0Medication effects - Osmosis Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"USMLE\u00ae Step 2 Question of the Day:\u00a0Medication effects - Osmosis Blog\" \/>\n<meta property=\"og:description\" content=\"A 67-year-old woman presents with palpitations and fatigue. Dive into her ECG and labs to discover which treatment effectively prevents serious AF complications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\" \/>\n<meta property=\"og:site_name\" content=\"Osmosis Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-22T00:33:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-15T19:57:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/Step_2_CK_QOTD_Q4_2024_JTD_6-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marina Horiates Kerekes, MD &amp; Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\"},\"author\":{\"name\":\"Marina Horiates Kerekes, MD &amp; Team\",\"@id\":\"https:\/\/www.osmosis.org\/blog\/#\/schema\/person\/c7e60a94ecf3ec6e6cfe4855957afafc\"},\"headline\":\"USMLE\u00ae Step 2 Question of the Day:\u00a0Medication effects\",\"datePublished\":\"2025-01-22T00:33:00+00:00\",\"dateModified\":\"2025-10-15T19:57:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\"},\"wordCount\":766,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\/\/www.osmosis.org\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/12\/Step_2_CK_QOTD_Q4_2024_JTD_6-1.jpg\",\"keywords\":[\"anticoagulant drugs\",\"anticoagulation\",\"arrhythmia management\",\"atrial fibrillation\",\"cardiology\",\"CHA2DS2-VASc\",\"clinical case study\",\"diabetes and heart disease\",\"ECG\",\"ECG findings\",\"healthcare education\",\"INR monitoring\",\"medical assessment\",\"medical education\",\"nursing education\",\"palpitations\",\"patient care\",\"stroke prevention\",\"USMLE Step 2\",\"warfarin\"],\"articleSection\":[\"Allopathic Medicine (MD)\",\"Clerkships\",\"Clinical Skills\",\"Exam Prep\",\"Osteopathic Medicine (DO)\",\"Questions of the Day\",\"Residency\",\"USMLE Step 2\",\"USMLE\u00ae Step 2\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\",\"url\":\"https:\/\/www.osmosis.org\/blog\/usmle-step-2-question-of-the-day-medication-effects\",\"name\":\"USMLE\u00ae Step 2 Question of the Day:\u00a0Medication effects - 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