Cardiac Manifestations
Cardiac Manifestations - Related Videos
08:25
Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
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Cited by 11 •
2015
Streptococcus pneumoniae forms discrete non-purulent microscopic lesions in the heart. Outlined is the protocol for a murine model of cardiac microlesion formation. Instruction is provided on microlesion visualization using microscopy, discrimination between early and late microlesions, and methods to detect cardiac remodeling in hearts of convalescent animals.
01:13
Asthma III: Clinical Manifestations
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2026
Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
15:45
Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
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Cited by 11 •
2013
We describe the protocol to perform a cardiac stress test induced by dobutamine and monitored by cardiac catheterization in normal mice. Also we show its application to unmask subclinical cardiac disease in high fat diet-induced obese mice.
04:40
Creation of Cardiac Tissue Exhibiting Mechanical Integration of Spheroids Using 3D Bioprinting
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Cited by 55 •
2017
This protocol describes 3D bioprinting of cardiac tissue without the use of biomaterials. 3D bioprinted cardiac patches exhibit mechanical integration of component spheroids and are highly promising in cardiac tissue regeneration and as 3D models of heart disease.
01:29
Angina III: Clinical Manifestations and Assessment
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2025
Angina manifests as chest pain, tightness, or squeezing discomfort typically located behind the breastbone. It can radiate to the neck, jaw, shoulders, and inner aspects of the upper arms, most commonly the left arm. Patients may experience shortness of breath, fatigue, profuse sweating, dizziness, indigestion, heartburn, palpitations, anxiety, and vomiting as accompanying symptoms. This pain often lasts a few minutes and is triggered by physical exertion, emotional stress, heavy meals, or cold...
FAQs
Inflammation can interfere with myocardial function, while direct myocardial injury may reduce the heart’s ability to contract or relax. If the process disrupts cardiac conduction, electrical signals may no longer coordinate contraction normally, producing rhythm-related findings. These mechanisms can overlap, so clinicians interpret symptoms, examination findings, and test results together to determine the extent of cardiovascular involvement.
Changes in blood flow can increase the heart’s workload or limit effective circulation. The resulting functional stress may appear as dyspnea, edema, or chest discomfort, depending on how cardiac performance and circulation are affected. Assessing these findings helps clinicians connect symptoms with the severity of cardiovascular involvement rather than viewing each complaint in isolation.
Electrical manifestations reflect disruption of conduction or rhythm, whereas structural manifestations concern changes identified in the heart’s anatomy or related circulation. Functional manifestations describe impaired contraction, relaxation, or overall performance. The categories can occur together, but distinguishing them helps clinicians select complementary assessments, including electrocardiography for electrical activity and imaging or laboratory testing for other aspects of disease involvement.
A systemic disorder or treatment may affect the heart through inflammation, altered blood flow, myocardial injury, or interference with conduction. The specific pathway influences whether clinicians observe structural, electrical, or functional abnormalities. This relationship is clinically important because cardiac findings may reveal broader disease involvement, influence assessment of severity, and help anticipate cardiovascular complications.
Evaluation begins with symptoms such as chest discomfort, dyspnea, palpitations, or edema, followed by a physical examination. Clinicians then use electrocardiography, imaging, and laboratory testing to investigate electrical activity, cardiac structure or function, and related abnormalities. Combining these sources provides a more complete assessment than relying on symptoms or a single test alone.
Each assessment examines a different part of cardiovascular involvement. Electrocardiography helps evaluate cardiac electrical activity and conduction, while imaging contributes information about structural or functional effects. Laboratory testing adds biochemical evidence relevant to the clinical evaluation. Used together, these tools help clinicians characterize manifestations, assess disease severity, and guide decisions about management and follow-up.
They are relevant whenever infectious, autoimmune, metabolic, or other conditions may involve the cardiovascular system. Recognizing cardiac effects can show that a disorder extends beyond its primary site and may alter clinical assessment or treatment planning. Monitoring these findings also helps clinicians evaluate progression, identify complications, and judge whether cardiovascular involvement is improving or persisting.