Cardio Flashcards
Shone complex
P arachute mitral valve/supramitral ring
A ortic valve stenosis
C oarctation of aorta
S ubvalvular aortic stenosis
MC cause of severe non ischemic mitral regurgitation
Mitral valve prolapse
Rupture of pappilary muscle occurring during the acute phase of MI
Acute ischemic Mitral Regurgitation
MC cause of congenital tricuspid regurgitation
Ebstein anomaly
Radiograph:
Box shape or globular heart
Normal or decreased vascularity
Ebstein anomaly
In cardiac MRI, apical displacement of septal leaflet of ____mm/m2 is cutoff for Ebstein anomaly
More than 8
Kind of pulmonary stenosis in TOF?
Subvalvular
Obstruction at the level of the main pulmonary artey at its bifurcation will cause what kind of pulmonic stenosis?
Supravalvular
Detection of small vegetations and small perforations?
TEE
Most common involved valve in rheumatic heart disease
Mitral valve
Classic hazy midmyocardial enhancement in LGE MRI?
Hypertrophic cardiomyopathy
MC form of HCM?
Assymetric septal HCM
SPADE-LIKE configuration of the left ventricle on vertical long axis view of the heart?
Apical hypertrophic cardiomyopathy (HCM)
Radiographic Appearance of TAPVR Type 1
Snowman or Figure of 8
*only occurs when vertical vein empties into the brachiocephalic vein
Congenital heart anomaly wherein Pulmonary veins empty into a common confluence separated from the left atrium by a partial membrane
Cor triatriatum
Normla amount of fluid within the pericardial sac
25-5 ml
REQUISITES:
Normal thickness of teh percarddium b/w the sternum and free wall of the RV
< 3mm
- most reliable @ the midventricular level
(REQUISITES)
Allows for detection of freely moving fluid within the pericardial space
Phase contrast images
(REQUISITES)
Amount of fluid that can acutely distend the normal adult pericardial space before cardiac tamponade results
150-250 cc
Low cardiac-output state wherein the cardiac size in CXR is slightly to markedly enlarged w/ the classic “WATER-BOTTLE” appearance
Cardiac tamponade
Differential diagnoses for WATER-BOTTLE appearance
Cardiomegaly
Large mediastinal mass
Pericardial effusion (massive)
(REQUISITES)
Infectious agents that cause pericarditis with epricardial effusion
Coxsackievirus grp B
Echovirus type 8
*TB pericarditis, common in patients w/ AIDS
(REQUISITES)
MC organisms to cause pericarditis
Staph
H. influenzae
N. meningitidis
(REQUISITES)
MCC of pericardial effusion
MI w/ left ventricular failure
(REQUISITES)
This is the development of PERICARDIAL and PLEURAL effusions 2-10 weeks post-MI
Dressler Syndrome
(REQUISITES)
Modality of Choice in evaluating cardiac masses
CARDIAC MRI
(REQUISITES)
Mediastinal dose that will cause radiation pericarditis
40 Gy
(REQUISITES)
MC of constrictive pericarditis
- Viral and tuberculous pericarditis
- Uremia w/ pericardial effusion
- Surgery
Most reliable sign indicating constriction in contstrictive pericarditis
Presence of adhesion
Constrictive pericarditis: wall thickness > 4mm
Pericardium in Restrictive cariomyopathy does NOT calcify, but the absence of calcification does not rule out constriction
True
Most common BENIGN PRIMARY CARDIAC TUMOR in infants and children
Rhabdomyoma
Most common BENIGN PRIMARY CARDIAC TUMOR overall
MYXOMA
SECOND Most common BENIGN PRIMARY CARDIAC TUMOR in infants and children
FIBROMA
MC location of congenital absence of the pericardium
Left Atrial Appendage adjacent PA
MC locations of Fibroma
Left Ventricular wall
INTRAventricular septum
Gorlin Syndrome is also called as
basal cell nevus syndrome
MC location of cardiac hemangioma
intraMURAL (75%)
MC location of Cardiac Paraganglioma
LEFT ATRIUM (left atrial ROOF or POSTERIOR WALL)
Carney Triad
Extra adrenal pheochromocytoma
GIST
Pulmonary chordoma
MC cardiac mass in ADULT POPULATION
Metastasis
MC Primary MALIGNANT CARDIAC tumor
Sarcoma
MC DIFFERENTIATED CARDIAC tumor
Angiosarcoma
SECOND MC Sarcoma involving the heart
UNdifferentiated Sarcoma
MC Primary CARDIAC malignancy/tumor in CHILDHOOD
Rhabdomyosarcoma
only cardiac sarcoma that predominantly arises in the right atrium in the region of the atrioventricular groove
Cardiac Angiosarcoma
Anolmalous origin of the Left Main Coronary artery from Pulmonary artery (ALCAPA) is also known as
Bland-Garland- White Syndrome
MC indication for coronary CTA
coronary artery disease
(REQUISITES)
MC tumors to metastasize to the heart
M elanoma
L eukemia
M alignant lymphoma
(REQUISITES)
MC primary tumors to metastasize to the PERICARDIUM
Breast
Lung
(REQUISITES)
MC primary malignancy of the PERICARDIUM
Pericardial Mesothelioma
Rare variant of mitral annular calcification seen in the POSTERIOR ATRIOVENTRICULAR GROOVE which appears as mass-like calcification and usually misdiagnosed as abscess, infection or tumor
CASEOUS CALCIFICATION of the mitral valve
(REQUISITES)
MC location of pericardial cysts
Right Cardiophrenic Angle (70%)
Gold standard for evaluating CARDIAC VALVES esp. pulmonary and tricuspid valves
CARDIAC MRI
PRIMARY modality for evaluation of suspected VALVE DISEASE
Echocardiography
Clinical GOLD STANDARD for non-invasive measurement of blood flow. It is also used to quantify the severity of valvular stenosis or regurgitation.
Phase contrast MRI
(REQUISITES)
Cardiac mass that has grown through the fossa ovalis and extends into both the right and left atrium
DUMBBELL Myxoma
(REQUISITES)
Differential dx for dumbbell myxoma involving the interatrial septum with sparing of the fossa ovalis
Lipomatous hypertrophy of the interatrial septum
*can produce supraventricular arrythmia
(REQUISITES)
MC tumor of the cardiac VALVES w/ sea-anemone-like appearance
Papillary Fibroelastoma
*usually small (<1.5 cm)
(REQUISITES)
MC location of cardiac papillary fibroelastoma
Aortic Valve (aortic side)
2nd MC: Mitral Valve (atrial side of leaflets)
(REQUISITES)
MC PRIMARY MALIGNANT tumor of the heart in ADULT
Angiosarcoma
*typically right side, often right atrium
(REQUISITES)
MRI demonstrates “CAULIFLOWER-LIKE” heterogeneous appearance on T1, w/ hyperintense foci corresponding to hge, hypointense areas of necrosis, and heterogeneous lesions on T2.
Angiosarcoma
Most common type of SUBAORTIC STENOSIS which results in murmur. It occurs in isolation or part of SHONE COMPLEX
Subaortic Membrane
(REQUISITES)
MC location of sarcomas that originate from the heart, other than angiosarcoma
Left atrium predominance
(REQUISITES)
Differential diagnosis of lesions arising from the heart valves
Thrombi
Vegetations
Papillary Fibroelastoma
(REQUISITES)
Larger, pedunculated masses attached to the valve leaflets are characteristic of
Vegetation
(REQUISITES)
Non Bacterial vs Infective endocarditis:
Has vegetation that are considerably smaller and frequently occurs BENEATH the CUSPS.
Non thrombotic Endocarditis
(Libman-Sacks endocarditis)
(REQUISITES)
Non Bacterial vs Infective endocarditis:
Has vegetation that frequently occurs on LINE of CLOSURE of the leaflets.
Infective endocarditis
(REQUISITES)
Calssic clinical triad of cardiac vegetation
Fever
Heart murmur
Positive blood cultures
(REQUISITES)
BEST imaging TECHNIQUE to CONFIRM the presence of left vetricular THROMBUS
MRI Perfusion study followed by
Delayed enhancement sequence
*thrombus lasck enhancement
*Bright enhancement of the underlying aneurysmal myocardial scar on the delayed enhancement images
(REQUISITES)
MCC of DILATED cardiomyopathy
ISCHEMIC Disease
(REQUISITES)
Criteria for the diagnosis of hypertrophic cardiomyopathy
Thickness of 15 mm or more, measured in END DIASTOLE
(REQUISITES)
Criteria for the diagnosis of hypertrophic cardiomyopathy
Thickness of 15 mm or more, measured in END DIASTOLE
(REQUISITES)
MC phenotype of Hypertrophic Cardiomyopathy
Asymmetric fetal type
-hypertrophy of the septal wall of the left ventricle
MC valve disease
aortic disease
(REQUISITES)
Most superior coronary sinus
Left aortic sinus
(REQUISITES)
Most superior coronary sinus
Left aortic sinus
(REQUISITES)
Non-coronay sinus and inferior most sinus
Posterior right aortic snus
Conditions associated with Mitral Valve Prolapse
MARFAN SYNDROME
ostium secundum and atrial septal defect
Aortic Coarctation
Common cardiac manifestation of Patients with SLE
Libman-Sacks Nonbacterial endocarditis
*VEGETATIONS are seen the atrial and ventricular side of the MITRAL VALVE
Infection of the valve leaflets and prosthetic valves. Increased risk in patients with history of IV DRUG ABUSE
Infective endocarditis
an acquired cardiac disease that results to SCARRING AND FIBROSIS of cardiac valves
Rheumatic heart disease
*autoimmune reaction to infection with GROUP A strep
MC Cardiac valve involved in RHEUMATIC HEART DISEASE
MITRAL VALVE
**Mitral Valve > Aortic > Tricuspid > Pulmonary
Characterized by development of plaque-like, fibrous endocardial thickening involving the heart valves (esp tricuspid and pulmonary)
CARCINOID VALVE DISEASE
*first line imaging is TTE
* associated with carcinoid syndrome (midgut carcinoid) and chronic serotonin exposure
Imaging Feature of Carcinoid valve disease in TTE
- Thickened valve leaflets/cusps and subvalvular apparatus
- Retraction and altered motion of the leaflets/cusps
- Valve regurgitation
BRANT:
Combination of Dextrocardia, Bronchiectasis, Sinusitis
Kartagener Syndrome
BRANT:
Symmetrical mirror image of each other
Isomerism
BRANT:
Left isomerism is associated with increased incidnec of
ASD
Anomalous pulmonary venous return
BRANT:
MC forrm of PAPVR,
one in w/c a right upper pulmonary vein connects to the RA of SVC.
BRANT: Stress induced cardiomyopathy or aka BROKEN HEART SYNDROME which as usually seen in POSTmenopausal women
TAKOTSUBO CARDIOMYOPATHY
Brant: genetically Heterogenous disease in both PEDIA AND ADULT in which normal morphogenesis of myocardial tissue into compact myocardium is DISRUPTED
Left Ventricular Non-Compaction
HYPERTRABECULATION of the Left ventricular myocardium and SPARES THE SEPTUM in cardiac MRI
left ventricular non- compaction
Systemic Inflammatory of the heart that shows presence of NONCASEATING GRANULOMA on endomyocardial biopsy
CARDIAC SARCOIDOSIS
Brant: Focal inflammation of the myocardium triggered by VIRAL INFECTION.
Acute inflammation of this disease shows T2 hyperintense signal (global or regional) 2x from the skeletal muscle
MYOCARDITIS
DIAGNOSTIC OF ACUTE MYOCARDITIS
Myocardial edema ratio >3.2:1
Global relative enhancement
Delayed pattern enhancement (Patchy nodular and/or linear in subepicardial and midmyocardial
*2out of 3 reliable for the diagnosis
BRANT:
MC form of PAPVR associated with sinus venosus ASD
Right Upper Pulmonary Vein (darining the irght upper and middle lobes) drains into the RA or SVC
BRANT:
Ductus Arteriosum closes functionally
First 24H of life
BRANT:
Ductus Arteriosum closes anatomically
by 10 Days of life
BRANT:
Implulse delay in the AV node
0.7 sec
BRANT:
Time b/w CLOSING of AV valves and OPENING of aortic and pulmonic valves
Period of Isovolumetric Contraction
BRANT:
Period immediately after ventricular CONTRACTION when aortic and pulmonic valves have CLOSED, BUT the AV valves have NOT yet OPENED
Isovolumetric Relaxation
BRANT:
INDIRECT signs of LA enlargement
- Splaying of the carina (>90 deg)
- Post displacement of LMB (lat view)
- Sup displacement of LMB (AP)
BRANT:
Measured @ 2cm above the intersection of the diaphragm and IVC (Lateral view); POSITIVE if the distance from the LA border and post border of IVC is >1.8 cm
Hoffman-Rigler Sign
BRANT:
Standard view on ECHO useful to evaluate VENTRICULAR size and contractility, as well as assess morhology and function of the mitral and aortic valves
Long-axis view, Parasternal Window
BRANT:
Useful for vsualization of the 4 cardica chambers including the Apex, EF assessment thru Simpson method, and assessment of mitral valve INFLOW
4-Chamber View
BRANT:
Useful in assessment of Aortic Stenosis
5- Chamber View
Focal outpouching in the aortic contour at the ligamentum arteriosum
Physiologic Ductus Bump
*difference with traumatic aneurysm
- no history of trauma
- no mediastinal hematoma
Acute hemorrhage WITHIN the aortic wall that resulted from rupture of the vasa vasorum within the media, forming a HEMATOMA WITHOUT COMMUNICATION to the aortic lumen
INTRAMURAL HEMATOMA
Brant: It is characterized by continous often crescentic hyperdense thickening of the aortic wall seen on NCCT. It may also demonstrate an INWARD DISPLACEMENT of atherosclerotic calcifications
INTRAMURAL HEMATOMA
Standford classification
TypeA- surgical treatment; higher risk; may extent into the mediastinum or pericardium
TypeB - medical treatment
Brant:
Indicative of thin cap atheroma; seen as RIM OF HIGH attenuation SURROUNDING AN AREA OF LOW attenuation, representing an inflamed cap surrounding a necrotic core. Presence is an INDEPENDENT PREDICTOR of future acute coronary event
Napkin-ring sign
Brant:
Hemodynamically significant Fractional Flow Reserve (FFR)
0.8 or lower
Indirect sign of Plaque rupture which consist of severe atherosclerotic disease, composed of thick layers diffuse predominantly non calcified atheromatous plaque
Complex atheroma
Indirect sign of plaque rupture wherein contrast is seen extending between areas of complex plaque. This lesion DO NOT EXTEND BEYOND the lumen of the Aorta into the intima and DELINEATED BY LINEAR WALL CALCIFICATIONS
Plaque Ulceration
DDX
PAU: EXTEND BEYOND the intima of the aorta; sign of intimal disruption
Brant:
Commonly seen in the left ventricular wall or interventricular septum that is T1 iso, T2 HYPO w/ intense late gad enhancement and central coarse calcification
A. Rhabdomyoma
B. Fibroma
C. Papillay Fibroelastoma
D. Hemangioma
Fibroma
(Iso, hypo, intense LGE w/ central coarse calci)
Brant:
MC primary cardiac tumor in infant & children associated w/ TS; shows T1 iso, T2 hyper w/ minimal to no enhancement
A. Rhabdomyoma
B. Fibroma
C. Papillay Fibroelastoma
D. Hemangioma
Rhabdomyoma
(Iso, hyper, no enhancement)
*assoc w/ TS
Brant:
Most often valvular in location (aortic or mitral) showing T1 intermediate, T2 hyper w/ intense LGE; sea anemone appearance
A. Rhabdomyoma
B. Fibroma
C. Papillay Fibroelastoma
D. Hemangioma
Papillary Fibroelastoma
(Intermediate, hyper, intense LGE)
*best eval w/ 2D echo
*DDx: vegetation (w/o enhancement within; septic clinically, destruction of valves)
Brant:
Associated w/ Kasabach-Merritt syndrome; T1 and T2 hyper w/ intense enhancement
A. Rhabdomyoma
B. Fibroma
C. Papillay Fibroelastoma
D. Hemangioma
Hemangioma
*intramural
Brant:
Associated w/ Carney triad; MC in the LEFT ATRIAL wall (roof or posterior wall); T1 hypo- iso, T2 EXTREMELY hyper, intense enhancement
A. Rhabdomyoma
B. Paraganglioma
C. Papillay Fibroelastoma
D. Hemangioma
Paraganglioma
(Iso/hypo, EXTREMELY hyper, intense enhancement)
Brant:
MC in infants and children; within pericardial sac; MC RIGHT side; complex, multilocular cystic mass w/ attachment to aorta via a pedicle
Teratoma
Aortic arch variant that demonstrates a COMMON ORIGIN of the RIGHT BRACHIOCEPHALIC AND LEFT COMMON CAROTID ARTERY.
TWO vessel arch
A aortic arch variant in which the LEFT VERTEBRAL ARTERY has an INDEPENDENT ORIGIN from the aortic arch, BETWEEN the left common carotid and left subclavian arteries
FOUR VESSEL ARCH
Aortic arch variant in which the RIGHT subclavian artery arises distal to the left subclavian artery from the distal aortic arch and travels through the mediastinum behind the esophagus to supply the right upper extremity
ABERRANT RIGHT SUBCLAVIAN ARTERY
- associated with KOMMERELL DIVERTICULUM
- associated with Vascular ring, only if there is Right ligamentum arteriosum
If large, this embryologic remnant of the dorsal aortic arch can cause compressive symptoms of the esophagus
DIVERTICULUM OF KOMMERELL
Brant:
Fical prominence of the aorta at the ligamentum arteriosum, a normal variant
Ductus Diverticulum a.k.a
“Ductus Bump”
Brant:
Aneurysm @ tye origin of the aberrant right subclavian artery
Diverticulum of Kommerell
*may cause compressive sx on thr esophagus
Brant:
Dysphagia secondary to extrinsic compression of the esophagus, may occur due to a vascular ring or diverticulum of Kommerell
Dysphagia Lusoria
Brant:
MC vascular RINGS
- Right Aortic Arch w/ aberrant Left SA
- Double Aortic Arch
Brant:
AAA size with increased risk of rupture of about 14%
> 6 cm
Brant:
Continuous, often crescentic, hyperdense thickening of the aortic wall; hematoma w/o communication w/ the aortic lumen.
Intramural Hematoma