Most common

Most common congenital heart abnormality	Bicuspid aortic valve
Second most common congenital heart abnormality	ASD
Most common location of pericardial cysts	Right cardiophrenic angle (behind RA)
Most common location of hiatal hernia on echo	Above atria
Most common location of post op effusion	Posterior and lateral
Most common location of pseudoaneurysmafter MI	Posterior>lateral>apical
Most common lesion associated with TGA	VSD
Most common type of ASD	Secundum
Most common type of VSD	Perimembranous
Most common type of cyanotic CHD	Tetrology of Fallot
Most likely cyanotic CHD to escape detection in childhood	Ebstein’s anomaly
Most common primary tumor of the heart	Myxoma
Most common primary pericardial malignancy	Mesothelioma
Most common primary malignant tumor of the heart	Angiosarcoma
Most common primary tumor associated with pericardial effusion	Angiosarcoma
Most common cause of echogenic pericardial effusion	Tuberculosis>Malignancy>Idiopathi
Most common cause of constrictive pericarditis	Idiopathic
Most common location of blunt aortic injury	Aortic isthmus just distal to the origin of the left subclavian artery> Supravalvular ascending aorta> Diaphragmatic aorta
Most common type of blunt aortic injury	Subadventitial (involving intima and media) with incomplete circumferential extension
Most common location of atherosclerosis	Descending aorta >Arch> Ascending aorta
Most common location of thoracic aorta aneurysms	Aortic root/ascending aorta: 60% Descending aorta: 40% Arch: 10% Thoracoabdominal aorta: 10%
Most common coronary artery affected by aortic dissection	Right coronary artery
Most common location of abscesses in infective endocarditis	Aortic root
Most common primary valve tumor	Papillary fibroelastoma
Most common location of papillary fibroelastoma	Aortic valve (aortic side) > Mitral
Most common cardiac manifestation of HIV	Pericardial effusion
Most common cause of primary MR (World)	Rheumatic
United States	Degenerative/Myxomatous
Most common cause of secondary MR	Ischemic
Most common cause of mitral stenosis	Rheumatic
Most common cause of AI (World)	Rheumatic
Most common cause of AS (World)	Rheumatic
Unites States	Bicuspid
Most common location of extra-adrenal cardiac mass in pheochromocytoma	AV groove
Most common complication after Ross procedure	AI
Most common complication after TOF repair	PI
Most common complication after AV canal defect repairs	MR
Most common complications of Mustard/Senning	RV failure Bradycardia
Most common location of mitral disease                                          Degenerative                                          Rheumatic	Base of leaflets Tips of leaflets
Most common location of MAC	Posterior annulus
Most common location of accessory pathway	Right lateral
Most common location of absent pericardium	Left (complete absence)
Most common complication of partial absence of pericardium	Herniation and strangulation of chambers
Most common chamber herniated	Left atrial appendage
Most common location of vegetations in endocarditis Mitral Aortic Bioprosthetic valve Metallic valve	Atrial side of valve Ventricular side of valve Leaflets Annulus
VSD	Septal Leaflet of TV >>RVOT/subpulmonic
Most common location of radiation induced calcification	Anterior MAC Aortic-mitral continuity