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Cardiomyopathies
Lecture #10
73
Other
Not Applicable
03/12/2008

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Cards

Term

 

State the most common symptom of a dilated cardiomyopathology.

Definition

 

dyspnea

Term

 

 

Sarcoidosis clinically mimicks what other disease?

Definition

 

 

Constrictive Pericarditis

Term

 

A patient has an EF of > 75%, LVH, a small LV cavity and a small LVOT less than 1.9 cm.  What condition does this pt. have?

Definition

 

 

HCM

Term

 

When encountering the thick and shaggy valves d/t Amyloidosis infiltration, what action should the sonographer take?

Definition

 

 

Turn off harmonics

Term

 

In HOCM what does the obstruction cause and what would be seen on M-mode?

Definition

The obstruction behind the aortic valve in the LVOT results in a pressure drop.  This drop causes the valve to close prematurely.  There will also be an enlarged LA.

Term

Basic findings of bilateral enlargement which is stiff and non-compliant, JVD, peripheral edema, normal LV function early on and hepatomegaly are seen in what type of cardiomyopathy?

Definition

 

Restrictive Cardiomyopathy

Term

 

In non-ischemic DCM would you have global or variable wall motion?

Definition

 

Global

Term

 

What is the name given to a rare form of hypertrophy that could cause a H.S. athlete to die on the playing field? 

Definition

 

I.H.S.S.

(Idiopathic Hypertrophic Subaortic Stenosis)

Term

 

What is the treatment for Hemocromatosis?

Definition

 

Repeated phlebotomy

Term

Clues to disease:

Elevated RA pressures, JVD, concentric LVH & RVH, thick shaggy valves, bilateral enlargement d/t elevated RA & LA pressures w/only a small amt of MR and/or TR, grainy unusal reflectivity, frequent pericardial effusion

Definition

 

Amyloidosis

Term

 

Early diastolic filling as seen in ___________ ______________ shows tall E waves and short little A waves.

Definition

 

 

Restrictive Cardiomyopathies

Term

 

A disease of young children characterized by chronic elevation of eosinophils w/o any dilation of the LV.  Apical thickening and fibrosis resulting in MS or TS.

Definition

 

Endomyocardial Fibrosis

 

(Loffler's Endocarditis)

Term

 

In the beginning of restrictive/infiltrative diseases, is the abnormality a diastolic or systolic event?  Explain why.

Definition

 

Diastolic problem.  ALL filling occurs early, before mid-systole.  LA pressures rise d/t resistance to LV filling.  Mimimal atrial contribution to filling.

Term

 

 

What (specific term) preceeds S.A.M.?

Definition

 

Venturi Effect causes S.A.M.

Term

 

Ischemia secondary to coronary disease would show which type of wall motion abnormality on 2D?  Regional or Global?

Definition

 

 

Regional

Term

 

 

What is ASH?

Definition

 

Assemetrical Septal Hypertrophy

There is a hypertrophied IVS with a small LVOT less than 2 cm.

Term

 

 

I.H.S.S. has a "give away" sign on 2D; what is it?

Definition

 

The IVS has the appearance of "cracked glass"; a speckled appearance.

Term

 

 

S.A.M. would take place at what point on the EKG?

Definition

 

Right after the QRS upward suction motion would be seen.

Term

 

How does a sonographer tell the difference between pleural and pericardial effusion?

Definition

 

Use landmark of Descending Aorta. If fluid is above Descending Ao it is pericardial effusion, if fluid is below it's pleural effusion.

Term

 

The best way to determine if LVOT obstruction is present is with:

 

a. M-mode

b. Doppler

                             c. 2D

Definition

 

 

b. Doppler

 

Term

 

 

LVOT obstruction occurs at ______ cm?

Definition

 

< 1.9 cm

Term

 Actual LVOT obstruction is caused by

 

           a. anterior MV leaflet

           b. posterior MV leaflet

           c. both anterior and posterior leaflets

           d. cordae tendinae

           e. abnormal papillary muscles

           f.  any of the above

Definition

 

 

f. any of the above

Term

 

What is the treatment for Amyloidosis?

        

          a. non-invasive (beta blockers)

          b. ablation by catheter

          c. none

          d. myectomy

Definition

 

c. none - there is no proven treatment

Term

 

Speckling of the septum d/t myofibril disorganization along with characteristics of ASH and SAM would be a sign of what condition?

Definition

 

I.H.S.S.

Idiopathic Hypertrophic Subaortic Stenosis

Term

 

A 32 yr. old woman has given birth recently and returns to the hospital ER complaining of shortness of breath.  Upon exam an S3 is heard along with crackling lung sounds.  Her heart rate is 145 bpm.  Her EF is 35%.  Identify her condition.

Definition

 

DCM

Dilated Cardiomyopathy

Term

 

 

The #1 cause of a DCM for a male in his 20's or 30's is?

Definition

 

alcohol

Term

 

When atria are acting as a pump during contraction what abnormal heart sound could be heard?

Definition

 

S4 - stiff ventricle

Term

 

When the atria are acting as a conduit, what abnormal heart sound is a sign of a DCM?

Definition

 

S3 - rapid filling

Term

 

 

What EKG findings could be seen with a DCM?

Definition

 

tachycardia

LBBB, A-fib

Term

 

If a pt. with a DCM showed regional abnormalities on 2D, the most common cause of their ischemia was secondary d/t?

Definition

 

 

coronary disease

Term

 

 The correct definition of DCM is:

Definition

 

An enlarged spherically shaped heart that has extremely poor global systolic function (pump failure - CHF) and 35% or less for EF.

Term

 

DCM presents with LVE ______ cm with systolic thickening _______ % in the IVS, LVPW.

Definition

 

           LVE > 5.6

           < 30 % systolic thickening

Term

 

On M-mode the drifting closure of the AV cusps, a flat Aortic root and enlarged LA would be indicative of which cardiomyopathy?

Definition

 

 

DCM

Term

HCM and HOCM are due to

 

a. diastolic dysfunction

b. systolic dysfunction

Definition

 

a. diastolic dysfunction

Term

 

A pt is experiencing faintness and is taken to the ER.  Auscultation reveals a SEM and EKG displays tall E waves.  EF is 85%.  ASH is present and the LVOT is < 2cm.  Based on these facts which type of cardiomyopathy does the pt have?

Definition

 

HOCM

Term

 

What are the 3 treatments for HCM/HOCM beginning with the 1st approach that would be tried?

Definition

 

1. non-invasive tx with beta blockers - keeps hr low and keeps obstruction from developing

 

2.  septal ablation

 

3.  myectomy

Term

 

A valsalva maneuvor is one method of provoking an increase in the pressure gradient.  What is the name of the pharmaceutical agent which produces the same effect?

Definition

 

Amyl Nitrate

Term

 

 

Define Restrictive Cardiomyopathy

Definition

 

Ventricular walls become stiffened which results in decreased LV filling

Term

 

90% of RCM is due to what?

Definition

 

Amyloidosis

 

 

- from the protein amyloid infiltrating

Term

 

True or False. All 4 chamber could be dilated with a DCM?

Definition

 

True

Term

 

Give another name for Dilated Cardiomyopathy

Definition

 

Congestive Cardiomyopathy

Term

 

What is the recovery rate for a post partum cardiomyopathy?  What procedure might be the only means of saving the mother?

Definition

 

  50 %

 

  heart transplant

Term

 

 

DCM has an EF of?

Definition

 

less than 35 %

Term

 

Hypertrophic Cardiomyopathies have an EF of what?

Definition

 

more that 75 %

Term

 

What is the best way to determine if an obstruction exists and to quantify the severity?

Definition

 

Doppler

Term

 

How can the duration of S.A.M. be measured?

Definition

 

M-mode

Term

 

> 75% EF

LVH

small LV cavity

small LVOT less that 1.9 cm

 

Is HOCM present?

Definition

 

No.  This is only HCM. 

Term

>75% EF

LVH

small LV cavity

small LVOT less than 1.9 cm

 

What other 3 elements in the correct order make up HOCM?

Definition

 

  1. Venturi effect
  2. S.A.M. - Systolic Anterior Motion
  3. obstruction
Term

 

 

Infiltrative Cardiomyopathy is another name for?

Definition

 

Restrictive Cardiomyopathy

Term

 

List the signs and symptoms of Amyloidosis (4)

Definition

 

1. Elevated RA pressures

2. JVD

3. Hepatomagaly/pulsatile liver

4. Peripheral edema

Term

An Asian female is brought to the ER w/chest pain.  An angiogram shows no blockage or CAD.  An echo reveals ballooning of the apex.  She is stressed over her sister's cancer battle.  After several days the ventricle is normal again.  What condition is suspected?

Definition

 

Takotsubo Cardiomyopathy

Term

 

DCM has a poor __________ dysfunction.

Definition

 

systolic (pump failure)

Term

Hypertrophic cardiomyopathy mainly has a ____________ dysfunction.

Definition

 

diastolic

Term

A pt has a disease which appeared simliar to Amyloidosis in the initial stages, but now late in the disease there is a localized thinning and dilation of the LV, bilateral atrial enlargement, and a knocking or rubbing type noise.  Identify the disease.

Definition

 

Sarcoidosis

Term

 

Describe the EKG waveforms of a pt with Restrictive Cardiomyopathy

Definition

 

big E waves, little A waves

Term

 

In a Hypertrophic Cardiomyopathy, pulmonary venous congestion and dyspnea may occur due to what?

Definition

 

increased LVEDP

Term

 

List 3 EKG findings for Hypertrophic Cardiomyopathy

Definition

 

1. LVH with strain (T wave repolarization abnormalities)

 

2. LVH with tall R waves

 

3. Large voltage V1 - V6

Term

 

 

What are the 2 types of DCM's?

Definition

 

type 1 - ischemia secondary to coronary dx and causes regional wall motion abnormalities

 

type 2 - idiopathic (viral, alcohol, post partum, genetic) causes global wall motion abnormalities

 

Term

 

In a DCM, what causes the aortic valve cusps to slowly drift close on M-mode?

Definition

 

from the inability of the weak damaged myocardium to keep the cusps open throughout systole

Term

 

A B-bump is an M-mode finding in which cardiomyopathy and why?

Definition

 

DCM

 

when there is increaed LVEDP

Term

 

In a DCM, poor contraction of the LV might cause?

Definition

 

the formation of a thrombus

Term

 

In a dilated cardiomyopathogy MR and LAE can be seen on 2D.  Why?

Definition

 

The mitral valve cusps fail to coapt and cause systolic doming which results in MR and LAE.

Term

 

What is the reason for a large EPSS in a Congestive Cardiomyopathy?

Definition

 

Enlarged chambers cause increased distance from anterior mitral valve leaflet to the IVS.

 

Normal is .9 cm or less

Term

 

What genetically inherited cardiomyopathy causes high incidences of deadly ventricular arrhythmias?

Definition

Arrhythmogenic Right Ventricular Dysplasia

 

The RV is dilated and contracts/functions very poorly

Term

 

An infant arrived from a tropical climate and findings showed LVH, fibrotic aortic and mitral valve leaflets, Mural thrombi, a dilated LV and bilateral enlargement.  What condition does this infant suffer from, what is the tx and what is the prognosis?

Definition

 

Endomyocardial Fibroelastosis

 

steriods

 

extremely poor prognosis/death

Term

 

A cardiomyopathy in which only the apex is thickened.  Give both the names this rare condition.

Definition

 

Apical Hypertrophic CMP

 

Yamaguchi's

 

 

(spade-shaped heart)

Term
[image]Evaluate this m-mode
Definition

DCM

 

drifting closure of aortic cusps

 

flat aortic root d/t poor LVF

 

enlarged LA

LBBB on EKG

Term
[image]Evaluate this image
Definition

Congestive Cardiomyopathy

enlarged LV

 

systolic doming - MV cusps fail to coapt (MR)

 

LAE

 

 

Term

[image]Evaluate this image

Definition

 

DCM 

 

Enlarged spherical LV

Term
[image]
Definition

LVE > 5.6 cm

 

systolic thickening < 30 % in IVS, LVPW

 

little/no change between diastolic and systolic size

 

widened EKG = BBB

Term
[image]
Definition

 

DCM

 

LV thrombus

Term
[image]
Definition

 

I.H.S.S.

 

Huge IVS / speckled

 

S.A.M.

 

obstructs LVOT

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