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| {| style="border: 0px; font-size: 90%; margin: 3px; width: 1000px" align=center
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| |valign=top|
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| ! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|Differential Diagnosis}}
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| ! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|History and Symptoms}}
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| ! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|Physical Examination}}
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| ! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|Laboratory Findings}}
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| ! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|Imaging Findings}}
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| | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
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| :ST Segment Elevation Myocardial Infarction
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Chest pain with possible radiation to left arm and lower jaw
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| *Squeezing, crushing chest pain
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| *Sweating
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| *Nausea and vomiting
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Anxious patient in pain with diaphoresis
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| *Signs of heart failure may be present
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| *Arrhythmia
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| * ST elevation, new left bundle branch block, and Q wave on EKG
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| * Elevated cardiac biomarkers
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Either complete or subtotal occlusion of an epicardial coronary artery on coronary angiography
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| *Confluent hyperenhancement extending from the endocardium
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| | style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
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| :Non ST Elevation Myocardial Infarction
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Crushing, left-sided substernal chest pain or pressure that radiates to the neck or left arm
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| *
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Same as ST-elevation MI
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| * ST-segment depression or T-wave inversion on EKG
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| * Elevated cardiac biomarkers
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *
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| *
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| | style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
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| :Pericarditis
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Chest pain relieved by sitting up and leaning forward and worsened by lying down
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| *Fever, anxiety, difficulty breathing
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Pericardial friction rub
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| *Signs of cardiac tamponade may be present
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| *
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *PR segment depression and electrical alternans on EKG
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *A flask-shaped, enlarged cardiac silhouette on CXR
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| *Pericardial thickness of more than 4 mm on MRI
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| *Pericardial effusion and cardiac chamber indentation or collapse on echo when cardiac tamponade is present
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| | style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
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| :Pulmonary Edema
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Hemoptysis
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| *Difficulty breathing, wheezing
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| *Symptoms of fluid overload if pulmonary edema is chronic
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Dyspnea, nasal flaring
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| *End-inspiratory crackles
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| *Third heart sound (S3)
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Low oxygen saturation on ABG
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Kerley B lines, increased vascular markings, interstitial edema, and peribronchial cuffing on CXR
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| *Patchy alveolar infiltrates on CXR in noncardiogenic edema
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| | style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
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| :Alcoholic Cardiomyopathy
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Middle-aged man with history of alcohol abuse and shortness of breath on activity
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| *Fatigue, weakness, anorexia, and palpitations
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| *Leg swelling and pedal edema
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| *
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| *
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| | style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
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| :Unstable Angina
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| | style="padding: 5px 5px; background: #F5F5F5;" |
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| *Chest pain at rest
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| *
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| *
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| |}
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| {| style="border: 0px; font-size: 90%; margin: 3px; width: 600px" align=center | | {| style="border: 0px; font-size: 90%; margin: 3px; width: 600px" align=center |
| |valign=top| | | |valign=top| |