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Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
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Cardiomyopathy V: Interprofessional Care01:29

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Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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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...
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Myocarditis II: Clinical Features and Diagnostic Tests01:27

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Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
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Cardiomyopathy VI: Nursing Management01:29

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Assessment: Nursing management of patients with cardiomyopathy begins with a thorough assessment of the patient's history, including a family history of cardiomyopathy or sudden cardiac death, personal history of heart disease, hypertension, diabetes, and any alcohol consumption or drug use.During the physical examination, assess vital signs, look for signs of heart failure (such as edema, jugular venous distention, and cyanosis), auscultate for abnormal heart sounds (like murmurs and gallops),...
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Acute Coronary Syndrome V: Nursing Management01:26

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Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
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Myocardial bridging: a practical guide for clinicians.

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Myocardial bridging, a common congenital coronary anomaly, is usually benign but increasingly detected. This review guides clinicians on diagnosing and managing this condition, even when it causes ischemia with non-obstructive coronary arteries.

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Area of Science:

  • Cardiology
  • Anatomical Pathology

Background:

  • Myocardial bridging (MB) is the most frequent congenital coronary anomaly, involving an intramyocardial segment of an epicardial coronary artery.
  • While often asymptomatic and benign, MB's recognition is rising due to advanced imaging techniques.
  • MB is increasingly implicated in ischemia with non-obstructive coronary arteries (INOCA).

Purpose of the Study:

  • To provide an updated, evidence-based guide for clinicians on diagnosing and managing myocardial bridging.
  • To address current controversies and uncertainties surrounding myocardial bridging.

Main Methods:

  • This narrative review synthesizes current evidence on myocardial bridging.
  • Diagnostic modalities discussed include coronary computed tomography angiography, invasive coronary angiography, intravascular ultrasound, and optical coherence tomography.

Main Results:

  • Myocardial bridging is typically a benign variant but can be associated with ischemic symptoms.
  • Diagnostic strategies are evolving with increased use of non-invasive and invasive imaging.
  • Management approaches require careful consideration of clinical presentation and diagnostic findings.

Conclusions:

  • Myocardial bridging diagnosis and management require updated clinical guidance.
  • Further research is needed to resolve ongoing controversies and uncertainties regarding MB.
  • This review offers a comprehensive resource for clinicians managing patients with myocardial bridging.