Ventricle

The Mechanics of the Heart An electrocardiogram, or EKG/ ECG, is a non-invasive test that measures the electrical activity of the heart and its electrical patterns. An electrical signal is sent through the heart to produce contractions that move the blood. This is what an EKG measures. In total that test may take from five to ten minutes and are ordered by a doctor to examine the heart more close. An EKG is done while the patient is lying down completely still (in order to reduce artifact or…

In this week’s lecture, we discussed individuals who devoted their time to medicine and made a pact to develop this art that will be later modernized, as well as used by physicians. Nevertheless, William Harvey demonstrated artistry and intellect due to his discovery of the circulation of blood. I understand that there are a plethora of scholars and scientist that have contributed to the science and artistry of medicine, however Harvey developed a new physiology that is still used in medical…

from the aorta to the myocardium to keep contracting. The left coronary artery feeds most of the left ventricle, the septum and much of the conduction system. The right coronary artery feeds the right side of the heart, including the sinoatrial (SA) nodes. During diastole the coronaries arteries receive blood to flow freely into the muscle since it is in a relaxed state. During systole, the ventricle contracts and the aortic leaflets close the coronary arteries. The closing of the aortic valves…

Cardiovascular Disorders Hunter Boumans Central Louisiana Technical Community College CARDIOVASCULAR DISORDERS A. Definition- Abnormal heart conditions related to the structure, function, or vessels of the heart or its muscles & valves. • Congenital Heart Disease- Any abnormality with the heart at the time of birth.  Patent ductus arteriosus- ductus arteriosus fails to close after birth  Tetralogy of fallot- multiple defects causing deoxygenated blood to be carried throughout…

P waves do not plot through an ectopic from atrial tissue, since the premature atrial depolarization will reset the sinus cadence called a premature atrial complex (Blesi/Jones/Lewis pg136). The P waves is when the valves between the atria and ventricles open 70% of the blood in the atria and the atrial contraction is only required the final 30% (Merriam-Webster’s collegiate dictionary The University of Nottingham). The QRS complex represents the ventricular depolarization and it can be…

nasotracheal tube which suggested pulmonary edema. A chest X-ray displayed severe pulmonary edema on both sides. An emergency TEE was performed on the patient, and it showed the classic apical ballooning present with takotsubo cardiomyopathy. Her right ventricle was dysfunctional and dilated mildly. The TEE presented with moderate tricuspid regurgitation, and a low cardiac output. Cardiac catheterization was also performed and no coronary disease was found. The patient was treated with…

C.M an 85 year old male came to the hospital presenting with short of breath, cough, increased respiratory effort, and wheezing. He was diagnosed with Pneumonia. C.M is a former smoker. He smoked a half a pack of cigarettes for 25 years. When smoking, the toxins breathed in irritate the respiratory system causing inflammation. Smoking for 25 years probably contributed to chronic bronchitis. C.M had a cough. The cough could have been from the chronic bronchitis. The bronchial mucus gland…

Question 1. A. AIRWAY– Maintaining a clear airway is always considered a high priority because the airway is essential for gas exchange. However, the patient has a patent airway (Ramkumar, 2011). The nursing strategy is to conduct an airway assessment “look, listen and feel” continuously to detect any changes. This is to provide immediate respiratory care if the patient’s airway is compromised (Higginson, Jones & Davies, 2011). This is a low priority. B. BREATHING – Respiration is altered due…

“enlarged cisterna manga, a cavum septum pellucidum, and retarded long bone growth.”(Ranchod, 27). The patient then had a fetal MRI performed where it confirmed “Dandy Walker malformation of the basis of an absent vermis, cystic dilatation of the fourth ventricle and enlarged posterior fossa, upward displacement of the torcula and splayed hypoplastic cerebellar hemispheres.” The second case was a 30 year old women who was 39 weeks pregnant. She had a US history of decreased fetal movement. US…

1.1 Overview
 CSF definition It is a well-known fact that the brain lies within the skull and the spinal cord lies within the vertebral column. Between the soft neutral tissues and the bones that house them are three types of membranous coverings called meninges. Some of the space between these coverings is called subarachnoid space and filled with clear and colorless fluid (cerebrospinal fluid “CSF”). CSF circulates inside the central nervous system through the ventricular part of this system…