IMC/FM/EM Cards Flashcards
? is the MC type of cardiomyopathy
Half of these cases are idiopathic and MC cause of ? and the other half are d/t ?
? type of dysfunction is this MC
Dilated
Primary indication for transplant;
ETOH
Systolic- dec contractility and EF w/out abnormal loading conditions
What type of heart sound is heard w/ Dilated Cardiomyopathy
What would be seen on PE
What would be seen if severe HF was present
S3 gallop w/ low EF
Inc JVP Rales Edema Ascites MR/TR
Pallor/cyanosis
Cheyne stoke- fast/shallow then slow/heavy w/ apnea
Pulsus alternans
How is Dilated Cardiomyopathy Dx
What would be seen on EKG
What is seen on CXR
Echo showing EF <50%
LBBB
Arrhythmias
Tachy w/ non-specific ST-T-wave
Balloon heart- megaly w/ pulm congestion (R>L)
Pts w/ Dilated Cardiomyopathy and dyspnea need ? lab drawn and why
? is the imaging modality of choice for RV dysplasia
A biopsy in Dilated Cardiomyopathy is only useful for ?
BNP- establish prognosis/severity
Cardiac MRI
Transplant rejection
All PTs w/ Dilated Cardiomyopathy, regardless of etiology, need to be Tx w/ ?
If still symptomatic, how is Tx adjusted
? class drug needs to be avoided unless ? is present
ACEI, BB
Add aldosterone antagonist- Spironolactone, Eplerone
Switch ACEI/ARB for ARNI- Sacubitril/Valsartan
CCBs; Afib/flutter ventricular control
All diabetics w/ Dilated Cardiomyopathy need ? drug added if LVEF is lower than ?
What are the 3 indications to use Ivabradine to slow HR in this population
What drug is used second line but is preferred d/t?
Mineralcorticoid antagonist- Spironolactone, Eplerone;
<40%
Resting HR >70
LVEF <35%
Chronic and stable
Digoxin; Dec hospitalization
? drug combo is recommended for use in AfAm w/ Dilated Cardiomyopathy
When are Pts w/ Dilated Cardiomyopathy w/ Afib candidates for biventricular pacing
When is an ICD implant a reasonable option
Hydralazine-Nitrate
Significant MR and,
QRS >150msec
ASx ischemic cardiomyopathy w/ LVEF <35% on appropriate medical therapy and >40d post-MI
? complication is more common in Dilated Cardiomyopathy compared to Ischemic Cardiomyopathy
Dilated Cardiomyopathy w/ Afib should be anticoagulated w/ ? unless ?
What are four reversible causes of Dilated Cardiomyopathy
Emobli
DOAC; Mitral stenosis
Hypothyroid
Alcohol
Toxins
Sarcoidosis
How is Dilated Cardiomyopathy Tx
What med is added to increase cardiac contractility
Define HOCM
Loop ACEI BB
Digitalis
LV wall >1.5cm thick causing diastolic dysfunction
When is the obstruction of HOCM increased
What type of murmur is present
How is the murmur increased
Systole w/ anterior motion of MVs anterior leaflet
Medium, mid-systolic cresc-decresc
Dec ventricular volume- valsalva, stand, tachy
What is the end consequence of HOCMs hypertrophy
How is this condition inherited
How is this condition differed from athletic heart
Inc LV diastolic pressure
Autosomal dominant sarcomere defect: myosin heavy chains/Ca regulating proteins
Athletes- no diastolic dysfunction
HOCM in Asians is commonly ? type compared to the other MC
HOCM in older adults is d/t ? and differed how
HOCM can present mimicking ? but is differed by ?
Apical; MC- septal
HTN;
Sigmoid interventricular septum w/ cardiac knob below AV
AS- provoking maneuvers are opposite;
HOCM inc w/ stand/valsalva
Dec- squat, grip. leg raise
What are the three most frequent presenting Sxs of HOCM
What will be seen on PE of HOCM
? is a poor prognostic sign and what causes this to develop
Post-exertion syncope
Angina
Dysnpnea
Triple apical pulse
Bisferiens carotid pulse
JVP w/ a-wave
S4 gallop w/ lift
Afib d/t chronically elevated LA pressures
What valvular d/o is commonly seen in HOCM
What EKG finding is nearly universal in all symptomatic Pts
What else would be seen on EKG
MR
LVH
Septal Q-wave (2, 3, aVF)
High voltage precordium
What is the next step for Pts w/ HOCM identified on TTEcho
Echos must be done to r/o ? other congenital d/o
What is the initial medical management used for Tx
Ambulatory EKG
Exercise stress test
Ventricular noncompaction- trabeculation causing incomplete ventricular filling
Metoprolol; Verapamil
How can the progression of HOCM be stopped/slowed
When are Pts best managed by ICD
When is an ICD considerable
Dual biventricular pacing
Malignat ventricular arrhythmia
Unexplained syncope w/ +FamHx sudden death
LV thickness 30mm
1* relative sudden death
Unexplained syncope <6mon
How can HOCM be surgically Tx
How can HOCM non-surgically be Tx
Pregnant Pts w/ HOCM are at greater risk w/ ? measurement and are best managed w/ ?
Myotomy myomectomy w/ Alfieri
Alcohol ablation into LCA
Outflow gradient >50mmHg;
BBs
What med need to be avoided in the Tx of HOCM
What med is c/i
MCC of Restrictive Cardiomyopathy in US and world
Dec preload:
Diuretic ACEI Nitrate ARB
Digoxin
US- amyloidosis
World: tropical endomyocardial fibrosis
Define Restrictive Cardiomyopathy
This can present mimicking ? and is differentiated by ?
What two EKG findings are suggestive of a Dx
Stiff/rigid ventricle impairs diastolic filling w/ preserved contractility
Constrictive pericarditis; verify**
no ventricular accentuation w/ inhalation
Inc pulm artery pressure
S3, not pericardial knock
Low voltage, LVH
? test is used to look for amyloid deposition in the heart during Restrictive Cardiomyopathy
? imaging is used for screening
How can systemic disease involvement be confirmed but ? is needed to confirm cardiac involvement
Tech-pyrophosphate bone scan
Cardiac MRI
Rectal Adipose Gingival biopsies;
Endomyocardial biopsy
How is Restrictive Cardiomyopathy Dx
How is this Tx
What needs to be avoided
Echo w/ cath to measure atrial pressure
Loop: Furosemide
ACEI- Enalapril
CCB- Verapamil
Digoxin- precipitates arrhythmia
? medication is useful in sarcoidosis induced Restrictive Cardiomyopathy w/ conduction abnormalities
? population is more susceptible to this Dx
? are the MC forms of ASD in order
CCS
Northern European men
Ostium Secundum, mid-septum
Ostium Primum- low septum
Sinus Venosus- hole in upper atrial septum
Pulsus Bisferien seen in HOCM can also exist in ? other cardiac d/o
What would be seen on HOCM PE if there is also associated MR
What PE finding can be seen on PE of Restrictive Cardiomyopathy
Aortic regurg
Apical lift
Kussmaul Sign- JVD increases w/ inspiration
What lab result can help aid differentiating Perciarditis and Restrictive Cardiomyopathy
? is the MC arrhythmia seen in Dilated Cardiomyopathy
? chemotherapeutic medication has cardiotoxic effects and can lead to Dilated Cardiomyopathy
BNP >400: restrictive
Afib
Doxorubicin