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it.",{"id":215,"name":216},1,"Course previews",[218,229,234,239,246],{"type":219,"data":220},"video",{"readDurationInSeconds":221,"video":222},104,{"platform":223,"name":224,"url":225,"size":226},"YouTube","How to recognize subclinical hyperthyroidism.","https:\u002F\u002Fwww.youtube.com\u002Fwatch?v=hv-anfaAVb4",{"width":227,"height":228},200,113,{"type":230,"data":231},"free_text",{"readDurationInSeconds":232,"text":233},9.066666666666666,"\u003Cp> \u003Cstyle type=\"text\u002Fcss\">\u003C!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> \u003C\u002Fstyle> Subclinical hyperthyroidism can be caused by multiple things. In this video from our Thyroid Disease Masterclass, we'll cover the lab patterns consistent with subclinical hyperthyroidism, describe the possible etiologies, and identify what could go wrong if this condition is left untreated.\u003C\u002Fp>",{"type":230,"data":235},{"readDurationInSeconds":236,"title":237,"text":238},13.6,"Join our Thyroid Disease Masterclass today!","\u003Cp>Master the management of thyroid disease. In our \u003Cstrong>\u003Ca href=\"https:\u002F\u002Fwww.medmastery.com\u002Fcourse\u002Fthyroid-disease-masterclass\">Thyroid Disease Masterclass\u003C\u002Fa>, \u003C\u002Fstrong>Dr Tracy Tylee–Clinical Assistant Professor of Endocrinology at the University of Washington–will review the pathophysiology of thyroid dysfunction, discuss the interpretation of thyroid tests, explain how pregnancy and certain medications can alter thyroid function, and evaluate the best treatment options.\u003C\u002Fp>",{"type":240,"data":241},"cta",{"readDurationInSeconds":242,"text":243,"buttonText":244,"buttonUrl":245},3.466666666666667,"Become a great clinician with our video courses and workshops","Start learning for free","https:\u002F\u002Fwww.medmastery.com\u002Fuser\u002Fregister",{"type":230,"data":247},{"readDurationInSeconds":248,"title":249,"text":250},58.666666666666664,"Video Transcript","\u003Cp dir=\"ltr\">\u003Cstrong>[00:00:00]\u003C\u002Fstrong> Patients will sometimes have a suppressed TSH with normal thyroid hormone levels. This is a condition known as subclinical hyperthyroidism. This can be due to illness, toxic nodules, Grave's disease, resolving thyroiditis or normal response in early pregnancy. For patients with small, hyperfunctioning thyroid nodules, these release excess thyroid hormone, which acts at the thyroid to decrease the TSH. The low TSH \u003C\u002Fp>\u003Cp dir=\"ltr\">\u003Cstrong>[00:00:30]\u003C\u002Fstrong> can actually inhibit thyroid hormone production in the remaining thyroid gland and so thyroid hormone levels can remain normal. For patients with early Grave's disease, the antibody binds to the TSH receptor, which stimulates thyroid hormone production in the thyroid and release of that thyroid hormone into the circulation. This acts with the pituitary to decrease the TSH, which in early Grave's disease is able to regulate thyroid hormone production and maintain thyroid hormone levels in the normal range, despite the increased stimulation \u003C\u002Fp>\u003Cp dir=\"ltr\">\u003Cstrong>[00:01:00] \u003C\u002Fstrong>by the antibodies. For patients with resolving thyroiditis, subclinical hyperthyroidism is seen once the thyroid hormone levels start returning to normal but the TSH is lagging behind. So, if labs are checked during this time period, thyroid hormone levels will appear normal but the TSH has not yet recovered. Clinical complications associated with subclinical hyperthyroidism include decreased bone mineral density and increased risk of arrhythmias and possible increased risk of cardiovascular deaths. \u003C\u002Fp>\u003Cp dir=\"ltr\">\u003Cstrong>[00:01:30] \u003C\u002Fstrong>Given these clinical features, we typically treat patients who would be most at risk from these complications including elderly patients, patients with a history of cardiovascular disease and patients with low bone mineral density.\u003C\u002Fp>",{"courses":252,"showAwardsBelow":48},[253],{"id":254,"isFreeCmeCourse":255,"title":256,"type":257,"specialization":258,"teachers":260,"cmeCredits":262,"teacherIllustration":263,"backgroundImage":264,"relativeUrl":265,"lastChanged":266,"created":267,"description":268,"relativeURL":265,"meta":269},3749,false,"Thyroid Disease Masterclass","course",[259],"Endocrinology",[261],"Tracy Tylee, MD",3,"https:\u002F\u002Fmedmastery-backend-prod-kjbeds.s3.eu-west-1.amazonaws.com\u002Fmedia\u002Fimages\u002F99f55f0f-1e9c-413b-a826-11c1e0ec9808","https:\u002F\u002Fmedmastery-backend-prod-kjbeds.s3.eu-west-1.amazonaws.com\u002Fmedia\u002Fimages\u002F99f55f0f-e1ca-46d7-9d36-ce0e3d322f8b","\u002Fcourses\u002Fthyroid-disease-masterclass","1767867649","1499852541","Using simple illustrations and elegant animations, we review the pathophysiology of thyroid dysfunction, discuss the interpretation of thyroid tests, explain how pregnancy and certain medications can alter thyroid function, and evaluate the best treatment options—this course will prepare you to confidently assess and effectively manage patients with thyroid disease.",{"duration":270,"quizzes":271,"lessons":272},5383,9,56,{"id":274,"name":261,"image":275,"profession":276,"relativeUrl":279,"specializations":280},3748,"https:\u002F\u002Fmedmastery-backend-prod-kjbeds.s3.eu-west-1.amazonaws.com\u002Fmedia\u002Fimages\u002F9c43cefc-88e6-4632-a711-cf90c6d98c24",{"name":277,"description":278},"Endocrinologist","Tracy is an Associate Professor of Endocrinology at the University of Washington, and Program Director for the Endocrinology Fellowship Program.","\u002Fteachers\u002Ftracy-tylee-md",[259],89,"2m",[284,312,331],{"id":285,"title":286,"text":287,"image":288,"author":296,"path":305,"readDuration":306,"readDurationFormatted":307,"internal":308},1350,"How to Recognize INOCA (ANOCA) on an Exercise Stress Test ","Angina, abnormal stress test, clean coronaries—that's INOCA (or ANOCA), and it carries real risk. Learn to recognize and report it with exercise stress ECG.",{"alt":289,"title":290,"size":291,"location":293},"Illustration of the heart's coronary vasculature showing large coronary arteries and the extensive network of smaller vessels affected in INOCA (ischemia with nonobstructive coronary arteries).","",{"width":292,"height":292},1200,{"bucket":294,"key":295},"public-drupal-medmastery-assets-production","\u002F2026-05\u002FC17(1)_magazine image_0.png",{"id":297,"title":298,"relativeURL":299,"image":300,"professionLong":301,"profession":302,"weight":304},1563,"Franz Wiesbauer, MD MPH","\u002Fteachers\u002Ffranz-wiesbauer-md-mph","https:\u002F\u002Fmedmastery-backend-prod-kjbeds.s3.eu-west-1.amazonaws.com\u002Fmedia\u002Fimages\u002F9c43cef0-41ee-4005-9e4a-d8711c816401","Franz is the founder and CEO of Medmastery. He is an internist with a specialization in cardiology and a master’s in public health from Johns Hopkins University.",{"name":303},"Internist",4,"\u002Fmagazine\u002Fexercise-stress-ecg-inoca",141,"3m",{"created":309,"updated":310,"published":311},1778115738,1778118425,1778118255,{"id":313,"title":314,"text":315,"image":316,"author":322,"path":324,"readDuration":325,"readDurationFormatted":326,"internal":327},1348,"Hyperlipidemia screening: who, when, & what to measure","Testing for hyperlipidemia can help you mitigate your patients' cardiovascular risk. Learn who to screen and when, which measures to request, and how to stratify risk.",{"alt":317,"title":290,"size":318,"location":320},"Lipid panel blood sample tubes used to test for hyperlipidemia in a laboratory setting",{"width":319,"height":319},600,{"bucket":294,"key":321},"\u002F2026-04\u002FC121_magazine image.png",{"id":297,"title":298,"relativeURL":299,"image":300,"professionLong":301,"profession":323,"weight":304},{"name":303},"\u002Fmagazine\u002Ftest-for-hyperlipidemia",246,"5m",{"created":328,"updated":329,"published":330},1777403036,1777572381,1777412421,{"id":332,"title":333,"text":334,"image":335,"author":340,"path":349,"readDuration":350,"readDurationFormatted":351,"internal":352},1347,"Outpatient care for COPD exacerbations","Most acute COPD exacerbations can be managed with outpatient treatment. Learn how to treat mild and moderate COPD exacerbations—and when to escalate care.",{"alt":336,"title":290,"size":337,"location":338},"Older patient using a handheld nebulizer to inhale bronchodilator medication during an acute COPD exacerbation",{"width":319,"height":319},{"bucket":294,"key":339},"\u002F2026-04\u002FC133(4)_ exacerbations_magazine image.png",{"id":341,"title":342,"relativeURL":343,"image":344,"professionLong":345,"profession":346,"weight":348},5365,"Siamak Moayedi, MD","\u002Fteachers\u002Fsiamak-moayedi-md","https:\u002F\u002Fmedmastery-backend-prod-kjbeds.s3.eu-west-1.amazonaws.com\u002Fmedia\u002Fimages\u002F9c43cf02-1064-4074-817b-0eb5de6ded74","Professor and Director of Medical Student Education, University of Maryland and Course Director, Essential and Critical Procedures, Emergency Medicine.",{"name":347},"Emergency medicine physician",1533,"\u002Fmagazine\u002Facute-copd-exacerbation-treatment",191,"4m",{"created":353,"updated":354,"published":355},1776705362,1776710540,1776710541,{"seo":357,"og":359},{"title":358,"description":213},"How to identify subclinical hyperthyroidism | Medmastery",{"title":358,"description":213,"image":360},{"alt":290,"title":290,"size":361,"location":364},{"width":362,"height":363},1672,900,{"bucket":294,"key":365},"\u002Fmigrated-images\u002FScreen Shot 2018-04-11 at 12.32.17 pm.png",{"id":367,"created":368,"updated":369,"published":368},206,1523446529,1655189586]