CVS-Heart Flashcards
What are the four walls of the heart?
Septal
Anterior
Lateral
Inferior
What are the four chambers of the heart?
Left and Right Atria
Left and Right Ventricle
What are the 3 surfaces of the heart?
Sternocostal surface: Anterior (RV)
Diaphragmatic surface: Inferior (LV and RV)
Pulmonary Surface: Facing on the left (LV)
What ecg leads supply to the anterior wall?
V3 to V4
What ecg leads supply to the inferior wall?
II, III, aVF
What ecg leads supply to the lateral wall?
V5, V6, I, aVL
What ecg leads supply to the septal wall?
V1, V2
______ receives venous blood from SVC and IVC
Right Atrium
Right atrium receives _____ blood from ____ and ____
Right atrium receives venous blood from SVC and IVC
Blood runs from _____ into the pulmonary trunk
Right Ventricle
______ receives oxygenated blood from the lungs via pulmonary veins
Left Atrium
Left Atrium receives ____ blood from the lungs via ______
Left Atrium receives oxygenated blood from the lungs via pulmonary vein
_____ pumps oxygenated blood into the aorta
Left Ventricle
Left Ventricle pumps ____ blood into the ____
Left Ventricle pumps oxygenated blood into the aorta
(Random Qn) What is the term used to describe the period from the beginning of one heartbeat to the beginning of the next heartbeat?
Cardiac Cycle
The cardiac cycle consists of ____ and ____
Systole and Diastole
Systole represents ventricular _____ while diastole represents ventricular _____
Systole represents ventricular contraction while diastole represents ventricular relaxation
Heart sounds
Lubb: ____ valve close at the ___ of ventricular ____
Dubb: ____ valve close at the _____ of ventricular _____
Lubb: AV valve closes at the start of ventricular systole
Dubb: Semilunar valve closes at the beginning of ventricular diastole
Which 2 valves make up the atrioventricular valves?
Bicuspid (Mitral) and Tricuspid
Which 2 valves make up the semilunar valves?
Pulmonary and Aortic
What is the boundary of the smooth and rough parts of the Right Atrium?
Crista Terminalis
Where can the SA node be found in the Right Atrium?
Near the upper end of the Crista Terminalis
Where can AV node be found in the Right Atrium?
Above the opening of the coronary sinus
What is the condition called for incomplete closure of the foramen ovale?
Atrial Septal Defect
Blood flows from the right atrium to the ____ through the right ______ which is guarded by the ____ valve
Blood flows from the right atrium to the right ventricle through the right atrioventricular orifice which is guarded by the tricuspid valve
What is one muscle that is present in the Right Atrium and is closely related to the Crista Terminalis?
Pectinate Muscle