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Related Concept Videos

Introduction Cardiac Emergencies01:30

Introduction Cardiac Emergencies

Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
Heart Failure Drugs: Inotropic Agents01:26

Heart Failure Drugs: Inotropic Agents

Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH receptors...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...

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Related Experiment Video

Updated: Jun 8, 2026

Implantation of Total Artificial Heart in Congenital Heart Disease
07:27

Implantation of Total Artificial Heart in Congenital Heart Disease

Published on: July 18, 2014

Fatal thyrocardiac event.

Samit Kumar Khutia1, Bhaskar Roy, Mohan Chandra Mandal

  • 1Department of Anaesthesiology, NBMC, Sushrutanagar - 734 012, Darjeeling, West Bengal, India.

Indian Journal of Anaesthesia
|October 2, 2010
PubMed
Summary
This summary is machine-generated.

Hyperthyroidism patients with atrial fibrillation (AF) face high risks of stroke. This case highlights a fatal cerebrovascular accident in a thyrotoxic patient with AF, emphasizing the need for prompt management.

Keywords:
Atrial fibrillationairway managementanticoagulanthyperthyroidismischaemic stroke

Related Experiment Videos

Last Updated: Jun 8, 2026

Implantation of Total Artificial Heart in Congenital Heart Disease
07:27

Implantation of Total Artificial Heart in Congenital Heart Disease

Published on: July 18, 2014

Area of Science:

  • Endocrinology
  • Neurology
  • Cardiology

Background:

  • Atrial fibrillation (AF) is common in chronic hyperthyroidism, increasing stroke risk.
  • Thyrotoxicosis can lead to severe complications like cerebrovascular accidents (CVAs).
  • Radioiodine therapy ((131)I) is a definitive treatment for hyperthyroidism when conventional methods fail.

Purpose of the Study:

  • To present a case of a thyrotoxic patient with chronic AF who suffered a fatal CVA.
  • To underscore the challenges in managing thyrotoxicosis and its complications.
  • To highlight the critical role of timely intervention in managing airway and neurological emergencies.

Main Methods:

  • Case report of a 50-year-old male with thyrotoxicosis, chronic AF, and a large goiter.
  • Initial assessment included CT scan revealing left middle cerebral artery infarction.
  • Management involved conservative measures followed by deterioration, with repeat CT showing increased infarct size and hemorrhage.

Main Results:

  • The patient presented with sudden hemiplegia due to a CVA.
  • Despite initial improvement, his condition worsened, leading to increased infarct size, intracranial hemorrhage, and midline shift.
  • The patient ultimately died despite all resuscitative efforts.

Conclusions:

  • This case illustrates the life-threatening potential of poorly managed hyperthyroidism and AF.
  • Effective management of thyrotoxicosis and anticoagulation is crucial for preventing severe neurological events.
  • Prompt and skilled airway and neurological management is vital in critical care settings.