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When would you not expect to see B-lines on an ultrasound?",[215,221],{"type":216,"data":217},"free_text",{"readDurationInSeconds":218,"title":219,"text":220},6.666666666666666,"Pop Quiz: November 14, 2024","\u003Cdiv>\u003Cdiv>\u003Cdiv>\u003Cp>\u003Cstrong>In which of the following conditions is the presence of B-lines on ultrasound unexpected?\u003C\u002Fstrong>\u003Cbr>\u003Cbr>\u003Cem>a. Interstitial lung disease\u003C\u002Fem>\u003Cbr>\u003Cbr>\u003Cem>b. Asthma exacerbation\u003C\u002Fem>\u003Cbr>\u003Cbr>\u003Cem>c. Bacterial pneumonia\u003C\u002Fem>\u003Cbr>\u003Cbr>\u003Cem>d. Pulmonary contusion\u003C\u002Fem>\u003Cbr>\u003Cbr>\u003Cem>e. Pulmonary edema\u003C\u002Fem>\u003C\u002Fp>\u003C\u002Fdiv>\u003Cdiv>\u003Cp>\u003Cspan lang=\"EN-US\">\u003C\u002Fspan>\u003Cspan> \u003C\u002Fspan>\u003C\u002Fp>\u003C\u002Fdiv>\u003C\u002Fdiv>\u003C\u002Fdiv>",{"type":216,"data":222},{"readDurationInSeconds":223,"title":224,"text":225},21.066666666666666,"Check your answer!","\u003Cp>\u003Cstrong>The correct answer is b. Asthma exacerbation.\u003C\u002Fstrong>\u003Cbr>\u003Cbr> \u003C\u002Fp>\u003Cp>\u003Cstrong>Explanation:\u003C\u002Fstrong>\u003Cbr>\u003Cbr>Recall that sonographic B-lines can be seen in a range of conditions, including congestive heart failure, pulmonary contusion, or pneumonia. \u003Cbr>\u003Cbr>B-lines are due to an increased density of the alveoli or interstitium. This is not a feature of asthma. \u003Cbr>\u003Cbr>All of the other diseases can produce B-lines in some fashion. Interstitial lung disease, pneumonia, pulmonary contusion, and pulmonary edema are all capable of producing B-lines, so the correct answer is \"b. Asthma exacerbation.\"\u003Cbr>\u003Cbr>\u003Cbr>\u003Cspan lang=\"EN-US\">\u003C\u002Fspan>\u003Cspan>​​\u003C\u002Fspan>\u003Cem>Not the the answer you expected? Start our \u003C\u002Fem>\u003Ca href=\"https:\u002F\u002Fwww.medmastery.com\u002Fcourses\u002Fpoint-of-care-ultrasound-masterclass?utm_source=nonmember&utm_medium=email&utm_campaign=it383\" target=\"_blank\">\u003Cem>POCUS Masterclass\u003C\u002Fem>\u003C\u002Fa>\u003Cem> now. \u003C\u002Fem>\u003C\u002Fp>",{"courses":227,"showAwardsBelow":230},[228],{"id":229,"isFreeCmeCourse":230,"title":231,"type":232,"specialization":233,"teachers":235,"cmeCredits":237,"teacherIllustration":238,"backgroundImage":239,"relativeUrl":240,"lastChanged":241,"created":242,"description":243,"relativeURL":240,"meta":244},5079,false,"Point-of-Care Ultrasound Masterclass","course",[234],"Ultrasound",[236],"David Mackenzie MDCM FRCPC FACEP",7,"https:\u002F\u002Fmedmastery-backend-prod-kjbeds.s3.eu-west-1.amazonaws.com\u002Fmedia\u002Fimages\u002F99f55eae-b1d6-4815-a5d1-799bf8e5014a","https:\u002F\u002Fmedmastery-backend-prod-kjbeds.s3.eu-west-1.amazonaws.com\u002Fmedia\u002Fimages\u002F99f55eaf-bd8f-47ad-b8a5-9736fcdc77e5","\u002Fcourses\u002Fpoint-of-care-ultrasound-masterclass","1763556391","1529499233","Point-of-care ultrasound (POCUS) helps us make better clinical decisions, faster. 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He is an internist with a specialization in cardiology and a master’s in public health from Johns Hopkins University.",{"name":279},"Internist",4,"\u002Fmagazine\u002Fexercise-stress-ecg-inoca",141,"3m",{"created":285,"updated":286,"published":287},1778115738,1778118425,1778118255,{"id":289,"title":290,"text":291,"image":292,"author":298,"path":300,"readDuration":301,"readDurationFormatted":302,"internal":303},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":293,"title":266,"size":294,"location":296},"Lipid panel blood sample tubes used to test for hyperlipidemia in a laboratory setting",{"width":295,"height":295},600,{"bucket":270,"key":297},"\u002F2026-04\u002FC121_magazine image.png",{"id":273,"title":274,"relativeURL":275,"image":276,"professionLong":277,"profession":299,"weight":280},{"name":279},"\u002Fmagazine\u002Ftest-for-hyperlipidemia",246,"5m",{"created":304,"updated":305,"published":306},1777403036,1777572381,1777412421,{"id":308,"title":309,"text":310,"image":311,"author":316,"path":324,"readDuration":325,"readDurationFormatted":326,"internal":327},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":312,"title":266,"size":313,"location":314},"Older patient using a handheld nebulizer to inhale bronchodilator medication during an acute COPD exacerbation",{"width":295,"height":295},{"bucket":270,"key":315},"\u002F2026-04\u002FC133(4)_ exacerbations_magazine image.png",{"id":317,"title":318,"relativeURL":319,"image":320,"professionLong":321,"profession":322,"weight":323},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":252},1533,"\u002Fmagazine\u002Facute-copd-exacerbation-treatment",191,"4m",{"created":328,"updated":329,"published":330},1776705362,1776710540,1776710541,{"seo":332,"og":335},{"title":333,"description":334},"B-lines on ultrasound | Medmastery","B-lines on POCUS",{"title":333,"description":334,"image":336},null,{"id":338,"created":339,"updated":340,"published":341},1082,1731342500,1748270274,1731341608]