Young Scientist Program Anatomy Teaching Team
... placenta to the inferior vena cava, this blood enters the right side of the heart. In order to deliver oxygenated blood to the body instead of to the lungs, most of the blood must bypass the pulmonary circulation. It does this through the foramen ovale, which conducts blood fr ...
... placenta to the inferior vena cava, this blood enters the right side of the heart. In order to deliver oxygenated blood to the body instead of to the lungs, most of the blood must bypass the pulmonary circulation. It does this through the foramen ovale, which conducts blood fr ...
Regulation of Heart Rate Cardioaccelatory center
... QRS complex begins with a downward deflection, continues as a large upright triangular wave and ends as a downward wave at its base. The magnitude of the QRS complex masks the deflection of atrial ...
... QRS complex begins with a downward deflection, continues as a large upright triangular wave and ends as a downward wave at its base. The magnitude of the QRS complex masks the deflection of atrial ...
Atrial Fibrillation
... heartbeat begins in the right atrium. The sinoatrial (SA) node is a collection of specialized cells that initiate an electrical signal that travels through the heart muscle. This signal causes the atria to contract, which pumps blood from the atria into the ventricles. The signal travels through the ...
... heartbeat begins in the right atrium. The sinoatrial (SA) node is a collection of specialized cells that initiate an electrical signal that travels through the heart muscle. This signal causes the atria to contract, which pumps blood from the atria into the ventricles. The signal travels through the ...
MEDICAL TERMINOLOGY
... Excessive fluid in the lungs that induces cough and dyspnea; common in left heart failure: a. pulmonary edema b. pulmonary embolus c. pulmonary thrombosis d. pneumoconiosis ...
... Excessive fluid in the lungs that induces cough and dyspnea; common in left heart failure: a. pulmonary edema b. pulmonary embolus c. pulmonary thrombosis d. pneumoconiosis ...
The Heart
... Atrial Fibrillation – upper chambers contract irregularly Bradycardia – slow heart rate Premature Contraction Tachycardia – fast heart rate Ventricular Fibrillation – lower chambers contract irregularly ...
... Atrial Fibrillation – upper chambers contract irregularly Bradycardia – slow heart rate Premature Contraction Tachycardia – fast heart rate Ventricular Fibrillation – lower chambers contract irregularly ...
Cardiovascular System!!
... from the anterior surfaces of the left ventricle. • The cardiac veins returns deoxygenated blood (containing metabolic waste products) from the myocardium to the right atrium. This blood then flows back to the lungs for re-oxygenation and removal of carbon dioxide. ...
... from the anterior surfaces of the left ventricle. • The cardiac veins returns deoxygenated blood (containing metabolic waste products) from the myocardium to the right atrium. This blood then flows back to the lungs for re-oxygenation and removal of carbon dioxide. ...
The Growth and Development of the Respiratory, Cardiovascular
... One umbilical vein - placenta to fetus Two umbilical arteries - fetus to placenta Foramen Ovale Ductus Arteriosus Result 10-15% of fetal blood goes through lungs Ductus Venosus ...
... One umbilical vein - placenta to fetus Two umbilical arteries - fetus to placenta Foramen Ovale Ductus Arteriosus Result 10-15% of fetal blood goes through lungs Ductus Venosus ...
TETOLOGY OF FALLOT
... • Pulmonary valve stenosis or atresia: Pulmonary blood flow obstruction. This is due to a narrowing at the pulmonary valve or the pulmonary arteries. • Right ventricular hypertrophy: Caused by the heart working harder to pump blood through the body because of the narrow pulmonary valve. Overriding a ...
... • Pulmonary valve stenosis or atresia: Pulmonary blood flow obstruction. This is due to a narrowing at the pulmonary valve or the pulmonary arteries. • Right ventricular hypertrophy: Caused by the heart working harder to pump blood through the body because of the narrow pulmonary valve. Overriding a ...
Activity Name - Perkins School for the Blind
... Purpose: to illustrate the flow of blood in the heart and the function of the heart valves Background Information: Biology textbooks usually feature a complicated diagram illustrating the flow of blood in the heart as well as the names of the 4 chambers and the major arteries and veins. This activit ...
... Purpose: to illustrate the flow of blood in the heart and the function of the heart valves Background Information: Biology textbooks usually feature a complicated diagram illustrating the flow of blood in the heart as well as the names of the 4 chambers and the major arteries and veins. This activit ...
Name Period ______ Accelerated Biology The Circulatory and
... o When the _______________ arteries become _______________ a heart attack occurs o Stroke – when blood supply is cut off to the _______________ and an area of the brain dies. The Valves Valves – prevent the _______________ of blood as it is being pumped through the heart Named according to where ...
... o When the _______________ arteries become _______________ a heart attack occurs o Stroke – when blood supply is cut off to the _______________ and an area of the brain dies. The Valves Valves – prevent the _______________ of blood as it is being pumped through the heart Named according to where ...
heart
... Pumps approximately 5 L of blood per minute. Heartbeat is controlled by a special tissue – pacemaker. – Sends out signals to the heart muscle that controls contractions. ...
... Pumps approximately 5 L of blood per minute. Heartbeat is controlled by a special tissue – pacemaker. – Sends out signals to the heart muscle that controls contractions. ...
HOW BLOOD TRAVELS THROUGH THE BODY
... Now that the blood has given up its _________ and _________, it must return to the heart. It moves from a capillary to another vessel called a _________. The blood vessels become larger and larger. Finally, they all join one large blood vessel that receives all the blood from the lower part of the b ...
... Now that the blood has given up its _________ and _________, it must return to the heart. It moves from a capillary to another vessel called a _________. The blood vessels become larger and larger. Finally, they all join one large blood vessel that receives all the blood from the lower part of the b ...
Definition: An extra abnormal heart sound usually detected while
... • Usually a systolic ejection murmur of 1-2/6 intensity • Heard best in the left upper sternal border • Usually heard at 24-48 hours of life and….. usually ...
... • Usually a systolic ejection murmur of 1-2/6 intensity • Heard best in the left upper sternal border • Usually heard at 24-48 hours of life and….. usually ...
heart – structure
... The blood is pumped from the left ventricle up through the Aorta and is pumped around the body to provide oxygen to organs ...
... The blood is pumped from the left ventricle up through the Aorta and is pumped around the body to provide oxygen to organs ...
Hypoplastic Left Heart Syndrome
... Your child most likely will be admitted to the intensive care unit (ICU) or special care nursery once symptoms are noted. Initially, your child may be placed on oxygen, or a ventilator to assist his/her breathing. Intravenous (IV) medications may be given to help the heart and lungs function more ef ...
... Your child most likely will be admitted to the intensive care unit (ICU) or special care nursery once symptoms are noted. Initially, your child may be placed on oxygen, or a ventilator to assist his/her breathing. Intravenous (IV) medications may be given to help the heart and lungs function more ef ...
Lab Worksheet 10
... 2) Multiple Choice Questions: Select the best answer. 1. All arteries of systemic circulation branch from the a) superior vena cava b) inferior vena cava c) pulmonary artery d) coronary artery e) aorta 2. Which statement best describes arteries? a) all carry oxygenated blood to the heart b) all cont ...
... 2) Multiple Choice Questions: Select the best answer. 1. All arteries of systemic circulation branch from the a) superior vena cava b) inferior vena cava c) pulmonary artery d) coronary artery e) aorta 2. Which statement best describes arteries? a) all carry oxygenated blood to the heart b) all cont ...
Cardovascular System The Heart Chap. 12
... The electrical events that occur in the heart can be detected on the surface of the body The resulting pattern of activity is known as an ECG (or EKG) Electrocardiogram ...
... The electrical events that occur in the heart can be detected on the surface of the body The resulting pattern of activity is known as an ECG (or EKG) Electrocardiogram ...
NON-SURGICAL APPROACH TO ATRIAL SEPTAL DEFECT
... fluoroscopy and 3-D intravascular ultrasound to visualize the defect. A catheter is then advanced through the defect, and a flat semi-rigid occlusive plate is deployed on each side of the ASD. The plates are drawn together to create a synthetic wall that permanently seals the defect. ASDs, which are ...
... fluoroscopy and 3-D intravascular ultrasound to visualize the defect. A catheter is then advanced through the defect, and a flat semi-rigid occlusive plate is deployed on each side of the ASD. The plates are drawn together to create a synthetic wall that permanently seals the defect. ASDs, which are ...
Lutembacher's syndrome
Lutembacher's syndrome is a form of congenital heart disease. Lutembacher's syndrome was first described by a French cardiologist by the name of Rene' Lutembacher (1884–1968) of Paris, France in 1916. Lutembacher syndrome is a rare disease that affects one of the chambers of the heart as well as a valve of the heart. Lutembacher's syndrome is known to affect females more often than males. Lutembacher is an extremely rare disease. Lutembacher's can affect children or adults; the person can either be born with the disorder or develop it later in life.Lutembacher affects more specifically the atria of the heart and the mitral or biscupid valve. The disorder itself is known more specifically as both congenital atrial septal defect (ASD) and acquired mitral stenosis (MS). Congenital (at birth) atrial septal defect refers to a hole being in the septum or wall that separates the two atria; this condition is usually seen in fetuses and infants. Mitral stenosis refers to mitral valve leaflets (or valve flaps) sticking to each other making the opening for blood to pass from the atrium to the ventricles very small. With the valve being so small, blood has difficulty passing through the left atrium into the left ventricle. There are several types of septal defects that may occur with Lutembacher's syndrome: ASD Ostium Secundum or ASD (Primium); Ostium Secundum is the most prevalent.Lutembacher is caused indirectly as the result of heart damage or disorders and not something that is necessarily infectious. Lutembacher's syndrome is caused by either birth defects where the heart fails to close all holes in the walls between the atria or from an episode of rheumatic fever where damage is done to the heart valves such as the mitral valve and resultant in an opening of heart wall between atria. With Lutembacher's syndrome, a fetus or infant is usually seen to have a hole in their heart wall (interatrial) separating their right and left atria. Normally during fetal development, blood bypasses the lungs and is oxygenated from the placenta. Blood passes from the umbilical cord and flows into the left atrium through an opening called the foramen ovale; the formaen ovale is a hole between the two atria. Once a baby is born and the lungs begin to fill with air and the blood flow of the heart changes, a tissue flap (somewhat like a trap door) called the septum primium closes the foramen ovale or hole between the two atria and becomes part of the atrial wall. The failure of the hole between the two atria to close after birth leads to a disorder called ASD primium. The most common problems with an opening found in the heart with Lutembacher's syndrome is Ostium Secundum. Ostium Secundum is a hole that is found within the flap of tissue (septum primium) that will eventually close the hole between the two atria after birth. With either type of ASD, ASD will usually cause the blood flow from the right atrium to skip going to the right ventricle and instead flow to the left atrium. If mitral stenosis (the hardening of flap of tissue known as a valve which opens and closes between the left atrium and ventricle to control blood flow) is also present, blood will flow into the right atrium through the hole between the atria wall instead of flowing into the left ventricle and systemic circulation. Eventually this leads to other problems such as the right ventricle failing and a reduced blood flow to the left ventricle.In addition to the ASD, acquired MS can be present either from an episode of rheumatic fever (the mother has or had rheumatic fever during the pregnancy) or the child being born with the disorder (congenital MS). With the combination of both ASD and MS, the heart can be under severe strain as it tries to move blood throughout the heart and lungs. To correct Lutembacher's syndrome, surgery is often done. There are several types of surgeries depending on the cause of Lutembacher's syndrome(ASD Primium or ASD Ostium Secundum with Mitral Stenosis): Suturing (stitching) or placing a patch of tissue (similar to skin grafting) over the hole to completely close the opening Reconstructing of the mitral and tricuspid valve while patching any holes in the heart Device closure of ASD (e.g. Amplatzer umbrella or CardioSEAL to seal the hole Percutaneous transcatheter therapy Transcatheter therapy of balloon valvuloplasty to correct MS↑ ↑ 2.0 2.1 2.2 2.3 2.4 ↑ 3.0 3.1 3.2 3.3 3.4 ↑ ↑ ↑ 6.0 6.1 6.2 6.3 ↑