Clinical Cardiac Part 3 Flashcards
What is heart failure?
Complex clinical syndrome that results from structural or functional impairment of ventricular filling or ejection of blood
What are the cardinal clinical symptoms of heart failure?
Dyspnea
Fatigue
Edema
Rales
What happens in heart failure with preserved ejection fraction?
Wall becomes thicker, unable to relax to get blood in
What happen in heart failure with reduced ejection fraction?
Weak, heart fills fine but can’t eject blood
What is advanced heart failure?
Refractory heart failure requiring specialized interventions
What is cor pulmonale?
Altered right ventricular structure and/or function in the context of chronic lung disease (failure of right ventricle)
What is the pathophysiology of HFrEF?
Precipitating factor (MI) -> decreased cardiac output -> activation of SNS + RAAS -> vasoconstriction
What are the most common CV etiologies of HFrEF?
CAD (most common) Cardiomyopathies Myocarditis Valvular disease Cardiac infection
What are extra-cardiac causes of HFrEF?
Thyroid disorders Sarcoidosis SLE Alcohol Chemotherapy (left ventricular problems)
What are risk factors for both types of heart failure?
Age DM2 Smoking Hypertension Atherosclerosis Obesity Metabolic syndrome
What are risk factors for HFrEF?
Male LVH Bundle branch block Previous MI Smoking
What are risk factors for HFpEF?
Older age
Female
Hypertension
Atrial fibrillation
What is paroxysmal nocturnal dyspnea?
Waking up with SOB at night
What are symptoms of congestion?
Dyspnea on exertion Paroxysmal nocturnal dyspnea Orthopnea Nocturnal cough Weight fluctutations Edema
What are symptoms of hypoperfusion?
Exercise intolerance
Fatigue
Decreased mentation
Cold intolerance
Which medications exacerbate heart failure?
Statins
CCB
COX2 inhibitors
Adequate perfusion is what?
Warm
Hypoperfusion is what?
Cold
Congestion is what?
Wet
No congestion is what?
Dry
What are PE signs for congestions?
S3 gallop Orthopnea Peripheral edema Pulmonary edema Ascites Hepatojugular reflex Elevated jugular venous pressure
What are PE signs for hypoperfusion?
Cool extremities Hypotension Renal dysfunction Altered mental status Hyponatremia Narrow pulse pressure Pulsus alternans
What is a S3 gallop?
Ventricular gallop immediately after S2
What cardiac findings are found on PE for heart failure?
Enlarged/displaced PMI
Right ventricular heave
What is your goal for PE on a patient with heart failure?
Identify the etiology of heart failure
Identify prognostic factors
Provide information about patient management
What do you order when you suspect heart failure?
EKG
CXR
BNP
Conduction abnormalities in heart failure patients important why?
Cause and prognosis
What with CXR detect in patients with heart failure?
Cardiac enlargement
Non-cardiac pulmonary pathology that can influence clinical presentation
What las should be ordered?
Renal function
Serum potassium
BNP
BNP within normal limits in an untreated patient rules out what?
Heart failure
BNP and N-terminal-pro BNP should be ordered for diagnosis of what two conditions?
Acute heart failure
Prognosis in chronic heart failure
What can falsely elevated BNP?
Advanced age Renal insufficiency Anemia COPD Pulmonary HTN
When is a 2D TTE recommended for heart failure?
Suspected heart failure
Known heart failure with worsening symptoms
What is seen in HFrEF on ECHO?
Reduced LVEF Atrial and ventricular dialation/hypertrophy Valvular disfunction Pericardial pathology Elevated ventricular filling pressure
Why is TEE ordered in heart failure?
Rule out intracardiac thrombus or infectious source
When is stress ECHO ordered in heart failure?
Rule out ischemia as precipitating cause
When is cardiac MRI ordered in heart failure?
Determining the etiology of cardiomyopathy by identifying the presence of inflammation, fibrosis, and infiltrative pathology
When is cardiopulmonary exercise testing ordered in heart failure?
Important component in the determination of candidacy for mechanical circulatory support and cardiac transplantation
Is the ACCF and AHA staging progressive?
Yes
Is the NYHA functional classification progressive?
No
What is class A for heart failure?
High risk of heart failure
Without structural heart disease or symptoms
What is class B for heart failure?
Structural heart disease
Without signs or symptoms of heart failure
What is class C for heart failure?
Structural heart disease
Prior or current symptoms of heart failure
What is class D for heart failure?
Refractory to heart failure
Requiring specialized interventions
What is class I for heart failure?
No limitation in physical activity
Ordinary physical activity does not cause symptoms of heart failure
What is class II for heart failure?
Slight limitation of physical activity
Comfortable at rest
Ordinary physical activity results in symptoms of heart failure
What is class III for heart failure?
Marked limitation of physical activity
Comfortable at rest
Less than ordinary activity causes symptoms of heart failure
What is class IV heart failure?
Unable to carry on with any physical activity without symptoms of heart failure
Symptoms of heart failure at rest
What are the goals of treatment in heart failure?
Improve symptoms
Improve quality and duration of life
Prevent hospital admission
What are the goals of treatment in HFrEF?
Improve symptoms
Prevent remodeling
What is the first line therapy for HFrEF?
ACEi
Beta-blockers
*titrate to max dose before adding more meds
What is the second line therapy for HFrEF?
Add mineralcorticoid antagonist (spiralactone)
What is the third line therapy for HFrEF in patients who can tolerate ACEi or ARB?
Replace ACEi with ARNI
What is the third line treatment for HFrEF in patients who have sinus rhythm and QRS duration greater than 130 ms?
Evaluate for CRT
What is the third line treatment for HFrEF in patients who have sinus rhythm and HR greater than 70 bpm?
Ivabradine
If a HFrEF patient is resistant to symptoms what do you do?
Add digoxin
HYD-ISDN
LVAD
Heart transplant
If a HFrEF patient is not resistant to symptoms what do you do?
Consider reducing diuretic dose
What do diuretics do in HFrEF?
Relieve symptoms and signs of congestion
*specifically furosemide
What is the best treatment for HFrEF?
Cardiac transplantation
*also cardiac rehab, exercise programs
What is the only medication that should be used to treat HFpEF?
Diuretics
How do you treat class A heart failure?
HTN
Hyperlipidemia
How do you treat class B heart failure (diastolic dysfunction wihout symptoms)?
HTN Thiazide diuretics ACE inhibitors ARBs Non-dihydropyridine CCBs
How do you treat class C heart failure (with preserved ejection fraction)?
Diuretics
Beta-blockers
ACE inhibitors
ARBs
How do you treat class D heart failure (with preserved ejection fraction)?
Diuretics
ARBs (prevent hospitalization)
What what is the first step in treating decompensated heart failure?
Identify precipitating factors
Identify comorbidities
What is the treatment for warm-wet HF?
Vasodilators
Diuretics
Renal replacement therapy
What is the treatment for warm-dry HF?
Up-titration of disease-modifying oral therapy (HFrEF)
Treat comorbitities
What is the treatment for cold-dry HF?
Fluid challenge
Inotropic agent
What is the treatment for cold-wet HF?
Vasodilator Inotropic agent Vasopressor (if refractor hypotension) Diuretics (when perfusion restored) MCS (if shock refractory to drugs)
What are complications of heart failure?
Anxiety Sleep disturbance Worry Dyspnea Fatigue Orthopnea Bloating Chest pain Cough
What does cor pulmonale develop from?
Chronic pulmonary HTN resulting from parenchymal lung disorders, primary pulmonary vascular disease, or conditions leading to alveolar hypoxia
What are the most common causes of cor pulmonale?
COPD
Chronic bronchitis
What is the most common mechanism of cor pulmonale?
Pulmonary HTN -> increased RV afterload -> altered RV structure and function
Chronic cor pulmonale results in what?
Compensatory RVH
What are the symptoms of cor pulmonale?
SYSTEMIC SWELLING
Lower extremity swelling
Increased abdominal girth from ascites
What are signs in the neck of cor pulmonale?
Elevated JVP
What are signs in the heart of cor pulmonale?
Tricuspid murmur
S3 gallop
RV heave along left sternal border
What are signs in the lungs of cor pulmonale?
Wheezing
Rales
What are signs in the abdomen of cor pulmonale?
Hepatomegaly
Pulsatile liver
Ascites
Hepatojugular reflux
What are sign in the extremities of cor pulmonale?
Lower extremity edema
Cyanosis
How do you diagnose cor pulmonale on EKG?
Right axis deviation
RV hypertrophy
How do you diagnose cor pulmonale on CXR?
Enlargment of main central pulmonary arteries and hilar vessels
What is used to diagnose cor pulmonale when 2D TTE can’t?
MRI
Cardiac catheterization
What is the treatment for cor pulmonale?
Keep SaO2 above 90% Diuretics Na restriction IV inotropes Manage arrhythmias Palliative care
What is the strongest predictors of outcomes in patients with heart failure?
Right ventricular hypertrophy
Right ventricle dysfunction
How do you prevent heart failure in stage A?
Appropriate dietary and exercise modifications
How do you prevent heart failure in stage B?
Initiation of heart failure-specific therapies