Answer:
Endocardium: is the innermost layer of the heart.
Myocardium: is the muscle layer
Pericardium: is a double-wall sac that cointains the heart.
Explanation:
While the Pericardium protects the heart against infection, provides lubrication and fixes it to the mediastinum, the Myocardium is the middle layer from the heart and the thickest one. It has specialized muscle fibers that carry electrical impulses to the ventricles. It is the muscle layer comprised of cardiomyocytes. The endocardium is comprised of two layers: the inner one is made of endothelial cells and the second one is a subendocardial connective tissue where branches of the heart's conduction system are inmersed.
No this is not true if you start to exercise after a heart attack it can help prevent any other heart attacks
Answer:
"Take a deep breath when I tell you, and hold it while I remove the tube."
Explanation:
The clinical guidelines of removing a nasogastric tube from patients oesophagus via nose instructs the patient to hold breath. Hence, nurse practitioners shall ask the patient to take a deep breath and hold it during removal of tube. Holding the breath closes the glottis and prevents aspiration. The nurse flushes 15 ml of air to clear secretions and prevent any obstructions into the nasogastric tube. This way, she can swiftly pull out the tube without any discomfort to the patient.
