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Related Concept Videos

Pericarditis II: Clinical Features and Diagnostic Tests01:19

Pericarditis II: Clinical Features and Diagnostic Tests

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Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
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Pneumothorax-II01:27

Pneumothorax-II

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Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
457
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

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Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
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Pneumothorax-I01:26

Pneumothorax-I

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A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
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Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Reversible, regional ST-segment elevation due to chylothorax.

Sarah H Brown1, Michael J Neuss2, J Brett Heimlich3

  • 1Vanderbilt University School of Medicine, Nashville, Tennessee, USA.

Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc
|November 8, 2021
PubMed
Summary
This summary is machine-generated.

Chylothorax, a rare complication after thoracic surgery, can cause dynamic ST-segment elevation (STE) on ECGs. This case highlights the link between chylothorax, pericardial inflammation, and cardiac compression mimicking heart attack symptoms.

Keywords:
ST-segment elevationchylothoraxpericarditis

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Area of Science:

  • Cardiology
  • Thoracic Surgery
  • Medical Diagnostics

Background:

  • Chylothorax is an infrequent complication following thoracic surgery.
  • Dynamic ST-segment elevation (STE) typically indicates acute myocardial infarction.
  • The association between chylothorax and STE has not been previously documented.

Observation:

  • A 63-year-old woman presented with chest pain and regional STE on a 12-lead electrocardiogram (ECG).
  • She had a history of right pneumonectomy.
  • Computed tomography (CT) revealed a large right hemithoracic fluid collection.

Findings:

  • The patient's troponin-I levels were normal, ruling out myocardial infarction.
  • The STE resolved after thoracentesis, a procedure to remove fluid.
  • The cause of STE was identified as pericardial inflammation and cardiac compression due to chylothorax.

Implications:

  • This case highlights the importance of considering uncommon causes of STE in ECG interpretation.
  • It underscores the potential for chylothorax to induce pericarditis and cardiac compression.
  • Understanding this pathophysiology is crucial for accurate diagnosis and management in similar clinical scenarios.