Title: What's the ECG abnormality?<br/>Author: Ali Farzad<br/><a href='http://umem.org/profiles/faculty/737/'>[Click to email author]</a><hr/><p>
        <span style="font-size:12px;"><span style="font-family:arial,helvetica,sans-serif;">A 48 year-old female presents to the ED with progressive dyspnea and chest discomfort over the past 3 months. HR = 105, BP = 100/60 mmHg, with mild JVD on exam. Her ECG is shown below. What ECG abnormalites are present? What does your differential diagnosis include? What is the best initial diagnostic test?</span></span></p>
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        <span style="font-size:12px;"><span style="font-family:arial,helvetica,sans-serif;"><img alt="" src="https://umem.org/files/uploads/content/ECG%20Challenge/DyspneaECG.jpg" style="width: 500px; height: 220px;" /></span></span></p>

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                <fieldset><legend>Attachments</legend>
                        ECGs_with_small_QRS_voltages.pdf (578 Kb)<br/><a href='http://umem.org/files/uploads/1310132023_ECGs_with_small_QRS_voltages.pdf' target='_blank'>http://umem.org/files/uploads/1310132023_ECGs_with_small_QRS_voltages.pdf</a><br/><br/>
                        Low_QRS_voltage_and_its_causes.pdf (108 Kb)<br/><a href='http://umem.org/files/uploads/1310132023_Low_QRS_voltage_and_its_causes.pdf' target='_blank'>http://umem.org/files/uploads/1310132023_Low_QRS_voltage_and_its_causes.pdf</a><br/><br/></fieldset>