with out lub dub or other abnormal abnormal heart sound
A heart murmur, a blowing sound on ausculatation of the heart, can be a clue of a possible valve malfunction.
Abnormality can be due to abnormal heart rhythms or cardiac muscle defects.
It is when the heart suddenly stops functioning.
Intercalated discs and striations suggest the presence of cardiac muscle. Only cardiac muscle has intercalated discs. Both skeletal and cardiac muscle have striations.
Abnormal electrical patterns
It means that a functioning pacemaker is in place.
A large volume of pericardial fluid (over 50 ml) indicates pericardial effusion. Fluid analysis can find the cause of pericarditis. The presence of blood indicates bleeding, cardiac rupture or cancer.
ANP
because it pumps blood in presence of a cardiac muscle
I think that would be the electrolytes.
Cardiac markers are biomarkers used to evaluate heart function. They are often substances that react based on how the heart is functioning and include compounds such as rubidium chloride.
The presence of myoglobin gives the muscle tissue its red color.
It is sarcoidosis of both the heart and lungs. The heart may show abnormal rhythms on ECG.