cardio and respiratory Flashcards
when do we hear S1 heart sound
closure of mitral and tricuspid valve
when do we hear S2 heart sound
closure of aortic and pulmonary valve
when do we hear S3 heart sound
congestive cardiac failure
due to rapid filling and expansion of ventricles
early diastole
when do we hear S4 heart sound
systemic hypertension, hypertrophic cardiomyopathy, ischemia
atrial hypertrophy/ stiff ventricles
late diastole
due to forcegul atrial contractions
what are some congenital structural heart diseases
atrial septal defect
ventricular septal defect
coarctation fo aorta
patent foramen ovale
tetralogy of fallot
patent ductus arteriosus
what are types of valvular defects (4)
aortic stenosis
aortic regurgitation
mitral stenosis
mitral regurgitation