Heart Function and Flow Flashcards
Deoxigenated blood coming from the body enters the ….
Right Atrium
From the Right Atrium, blood flows through the _____ into the ________.
Tricuspid Valve , Right Ventricle
When Right ventricle contracts it closes the _____ and opens the _____.
Tricuspid valve, Pulmonary valve
The pulmonary valve carries blood to the …
Right and Left Lungs.
Venules in the Lungs are branches of the …
Pulmonary Veins
Four Pulmonary veins carry oxigenated blood from the ____ to the ______.
Lung, to Left Atrium of the Heart
Oxigenated blood flows from the Left Atrium through the ____ or ____ valve.
Mitral or bicuspid
Contraction of the Left Ventrical closes the ____ valve and opens the _____ valve.
mitral, aortic
The Right and Left Coronary arteries branch off of the _____.
Aorta
The coronary arteries supply both the _____ and the _____.
Heart , and Body.
Tachycardia
Greater than 100 beats per minute.
Bradycardia
Less than 60 beats per min.
Gallop Rythm
4 heart sounds instead of 2. Abnormal. Indication of Heart failure.
Premature Atrial/Nodal Contractions
a beat of atrial/nodal nature that comes earlier than expected.
Premature Ventricular Contractions (aka: Ectopic Heartbeat)
Beat of ventricular origin that comes earlier than the next (skipped beat). Can be found in normal heart or w/problems like ischemia.
Sinus Arrhythamia
Heart rate speeds up with inspiration and slows with expiration.
Atrial fibrillation
Ventricular rhythm irregular, though short periods of regular rhythm present too. Main cause of stroke in elderly.
Ventricular Fibrillation
Parts of ventricle depolarize in erratic manner. EKG shows random, unrelated pattern. No recognizable QRS complex. Usually fatal.
P Waves on EKG
Atrial Depolarization (activation)