PN Cardiac Disorders Exam.
Resting potential of heart - ANS >> -60mV
C C C C C C C
Electrocardiogram (ECG) - ANS >> A recording of the electrical activity of the heart C C C C C C C C C C C C C
Systole - ANS >> Contraction phase of the heartbeat
C C C C C C C C
Diastole - ANS >> Relaxation phase of the heartbeat
C C C C C C C C
Lub/S1 - ANS >> First heart sound, marks ventricular contraction. Sound caused by atrioventricular
C C C C C C C C C C C C C
valves closing.
C C
Dub/S2 - ANS >> Second heart sound, marks start of ventricular filling. Sound caused by semilunar
C C C C C C C C C C C C C C C
valves closing.
C C
P wave - ANS >> Atrial depolarization
C C C C C C
T wave - ANS >> Ventricular repolarization
C C C C C C
PR interval - ANS >>
C C C C C
QRS complex - ANS >> ventricular depolarization and atrial repolarization
C C C C C C C C C
PR segment - ANS >> AV nodal delay
C C C C C C C
ST segment - ANS >> Ventricular contraction
C C C C C C
QT interval - ANS >> ventricular depolarization and repolarization
C C C C C C C C
Aortic valve - ANS >> The semilunar valve separating the aorta from the left ventricle that prevents
C C C C C C C C C C C C C C C C
blood from flowing back into the left ventricle
C C C C C C C C
Pulmonary valve - ANS >> Valve positioned between the right ventricle and the pulmonary artery that
C C C C C C C C C C C C C C C
prevents blood from flowing back into the right ventricle
C C C C C C C C C
Mitral valve - ANS >> Valve between the left atrium and the left ventricle; bicuspid valve
C C C C C C C C C C C C C C C
Tricuspid valve - ANS >> Valve between the right atrium and the right ventricle
C C C C C C C C C C C C C
Rheumatic Carditis - ANS >> The inflammatory cardiac manifestations of rheumatic fever in either the
C C C C C C C C C C C C C C
acute or later stage
C C C C
Infective endocarditis - ANS >> Inflammation of the inner layer of heart tissue as a result of an
C C C C C C C C C C C C C C C C C
Cinfectious microorganism C
Myocarditis - ANS >> An inflammation of the myocardium typically caused by a viral, bacterial, fungal,
C C C C C C C C C C C C C C C
or parasitic infection
C C C
Resting potential of heart - ANS >> -60mV
C C C C C C C
Electrocardiogram (ECG) - ANS >> A recording of the electrical activity of the heart C C C C C C C C C C C C C
Systole - ANS >> Contraction phase of the heartbeat
C C C C C C C C
Diastole - ANS >> Relaxation phase of the heartbeat
C C C C C C C C
Lub/S1 - ANS >> First heart sound, marks ventricular contraction. Sound caused by atrioventricular
C C C C C C C C C C C C C
valves closing.
C C
Dub/S2 - ANS >> Second heart sound, marks start of ventricular filling. Sound caused by semilunar
C C C C C C C C C C C C C C C
valves closing.
C C
P wave - ANS >> Atrial depolarization
C C C C C C
T wave - ANS >> Ventricular repolarization
C C C C C C
PR interval - ANS >>
C C C C C
QRS complex - ANS >> ventricular depolarization and atrial repolarization
C C C C C C C C C
PR segment - ANS >> AV nodal delay
C C C C C C C
ST segment - ANS >> Ventricular contraction
C C C C C C
QT interval - ANS >> ventricular depolarization and repolarization
C C C C C C C C
Aortic valve - ANS >> The semilunar valve separating the aorta from the left ventricle that prevents
C C C C C C C C C C C C C C C C
blood from flowing back into the left ventricle
C C C C C C C C
Pulmonary valve - ANS >> Valve positioned between the right ventricle and the pulmonary artery that
C C C C C C C C C C C C C C C
prevents blood from flowing back into the right ventricle
C C C C C C C C C
Mitral valve - ANS >> Valve between the left atrium and the left ventricle; bicuspid valve
C C C C C C C C C C C C C C C
Tricuspid valve - ANS >> Valve between the right atrium and the right ventricle
C C C C C C C C C C C C C
Rheumatic Carditis - ANS >> The inflammatory cardiac manifestations of rheumatic fever in either the
C C C C C C C C C C C C C C
acute or later stage
C C C C
Infective endocarditis - ANS >> Inflammation of the inner layer of heart tissue as a result of an
C C C C C C C C C C C C C C C C C
Cinfectious microorganism C
Myocarditis - ANS >> An inflammation of the myocardium typically caused by a viral, bacterial, fungal,
C C C C C C C C C C C C C C C
or parasitic infection
C C C