Nursing Care and Pathophysiology for Heart Failure (CHF)

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Nichole Weaver
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Included In This Lesson

Study Tools For Nursing Care and Pathophysiology for Heart Failure (CHF)

Heart Failure-Origin (Mnemonic)
Heart Failure – Right Sided (Mnemonic)
Heart Failure-Left-Sided (Mnemonic)
Heart Failure Pathochart (Cheatsheet)
R v L Heart Failure (Cheatsheet)
Pitting Edema (Image)
Jugular Venous Distension (Image)
Heart Failure CHF Cardiac (Image)
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Outline

 

Pathophysiology: In heart failure, the heart does not pump effectively. This can occur because of many reasons but usually, because there has been damage to the heart tissue. The heart is not able to pump enough fluid forward so fluid then backs up. This fluid backup increases work on the heart as it tries to keep up and cannot.


Overview

The heart is a pump, circulates blood throughout the body. Heart failure = pump failure. Heart failure occurs when the heart cannot pump enough blood to supply the body’s needs.


Nursing Points

General

  1. Pump Failure
    1. Decreased perfusion forwards
    2. Increased congestion backwards
  2. Causes
    1. Myocardial Infarction
      1. Dead muscle can’t pump
    2. Hypertension
      1. ↑ afterload = ↑ stress on heart muscle
    3. Valve Disorders
      1. Blood not moving in right direction
      2. Inefficient pump
  3. Diagnostics
    1. BNP (Brain Natriuretic Peptide) – stretch of LV
    2. Echocardiogram
      1. Ejection Fraction
      2. Can diagnose valve disorder
    3. Chest X-Ray (CXR
      1. Cardiomegaly
      2. Pulmonary Edema
  4. Complications
    1. Volume Overload
      1. Pulmonary Edema
      2. Exacerbations
    2. Decreased Perfusion
      1. Heart
        1. Angina, MI
        2. Arrhythmias
      2. Organs
        1. Impaired Kidney Function

Assessment

  1. Right-Sided Heart Failure
    1. Decreased Pulmonary Perfusion
      1. ↓ oxygenation
      2. ↓ activity tolerance
    2. Increased Systematic Congestion
      1. Peripheral Edema
      2. ↑ JVD
      3. ↑ Preload
      4. Weight Gain
      5. Fatigue
      6. Liver / GI Congestion
  2. Left Sided Heart Failure
    1. Decreased Systemic Perfusion
      1. Skin pale or dusky
      2. ↓ Peripheral pulses
      3. Slow  capillary refill
      4. ↓ renal perfusion
        1. ↓ urine output
        2. Kidney Injury / Failure
    2. Increased Pulmonary Congestion
      1. Pulmonary edema
        1. Cough
        2. Pink/frothy sputum
        3. Crackles
        4. Wheezes
        5. Tachypnea
        6. SOB on Exertion
      2. Anxiety/restlessness

Therapeutic Management

Goal is to decrease workload on heart while still increasing cardiac output. Discussed in more detail in Therapeutic Management Lesson

  1. Decrease Preload
  2. Decrease Afterload
  3. Increase Contractility

Patient Education

Discussed in more detail in Therapeutic Management Lesson

  1. Diet & Lifestyle Changes
  2. Medication Instructions
  3. Activity Restrictions
  4. Frequent Follow-Ups

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ADPIE Related Lessons

Related Nursing Process (ADPIE) Lessons for Nursing Care and Pathophysiology for Heart Failure (CHF)

Transcript

This lesson is going to cover the basics of heart failure.

Heart disease is one of the leading causes of death in the US so you will see Heart Failure quite frequently in clinical practice. We want you to get an Ah-hah moment here and really understand this stuff. We’re gonna give you the most important things you need to know.

So, what exactly causes heart failure? Well remember it’s just pump failure – so anything that impacts the heart’s ability to pump efficiently can cause heart failure.

The top two causes are MI’s and hypertension, but valve disorders can cause a lot of problems, too. So what happens here? Well in an MI, if you remember from those lessons, blood supply is cut off to the heart muscle and the muscle itself dies. Muscle that is dead can’t contract, so the pumping ability or contractility of the heart is affected. Hypertension causes an increased afterload – remember from the hemodynamics lesson.

The heart has to pump harder against a higher pressure in the vessels. After a while, it can get worn out. Ultimately the ventricles can’t efficiently pump against that pressure any more. Someone with valve disorders, like stenosis or regurgitation, will have issues getting the blood where it’s supposed to be. If it’s not going where it’s supposed to, then it’s backing up – causing increased congestion or stretch or preload in the heart. This stress on the heart can lead to heart failure. So again, anything that impacts the heart’s ability to pump efficiently can cause heart failure – this means anything that affect the heart muscle.

BNP Heart Failure Guidelines

So there are multiple ways that we can diagnose and classify heart failure, but we just want you to know these three. The lab value we use is called Brain Natriuretic Peptide or BNP – this is released whenever the ventricles are stretched. So in Congestive Heart Failure patients when they’re severely volume overloaded, we can see this number jump into the thousands. In the labs course we will talk in much more detail about this value, so be sure to check that out.

Heart Failure Chest X-Ray

We’ll also do a chest x-ray, which could show a couple things. You may see the heart is actually enlarged because of the overload and stretch in the ventricles – and you may also see fluid in the lungs – that’s the pulmonary edema. We’ll also get an echocardiogram which can tell us things like end-diastolic volumes (remember that measures preload), ejection fraction, which is usually less than 50% in heart failure, and whether or not there are any valve issues.

Clinical Signs of Heart Failure

So let’s look at what this patient looks like when you actually see them in practice…

In the module intro we asked y’all to brainstorm what you thought this patient looked like. Guys if you get nothing else about Heart Failure, THIS is the part you’ve got to get.

Remember we said that there’s decreased perfusion forward and increased congestion backwards, right? So in right-sided heart failure we’re going to see some oxygenation problems because of decreased perfusion to the lungs. They may struggle with activity because they just don’t have enough blood flow for their lungs!

Then backwards we see that congestion into the system – they are way overloaded in the systemic circulation – so what does that mean? That means peripheral edema – okay how would you feel if you swelled up like crazy? You’d be tired, you’d probably gain some weight? Some of that fluid may even collect in the gut and make you nauseous.

Then because the blood can’t get past the heart from the body, it even backs up into the neck and you’ll see this crazy jugular venous distention – it looks like a rope on their neck!! So if you’re seeing these signs of excessive volume out in the body – you gotta think right sided heart failure!

Okay, so what about the left? Well they actually have decreased perfusion to the body. Remember your signs of decreased perfusion? They’re gonna be pale, decreased pulses, maybe slow cap refill, and their skin might even be cold, right? Signs of decreased perfusion. Then, we see the congestion happening in their lungs – y’all their lungs are full of fluid! How would you feel? You’d be struggling to breathe, right? They’ll have a cough, and their sputum will be pink and frothy because there’s just so much blood pumping through the lungs! Imagine if this was you and had all this fluid in your lungs – what position would you want to be in? You lay down and you’ll feel like you’re drowning – a lot of these patients sleep with lots of pillows or even in a recliner. Some of them even lose weight because it becomes a choice to either eat or breathe! So if you see these severe respiratory issues and fluid on the lungs, you’ve got to think Left-sided heart failure!

So right sided the classic sign is the systemic overload and left-sided classic sign is pulmonary edema. If you get this you can pick out any issues they’ll have!

Complications of Heart Failure

Now, there are quite a few other complications of heart failure, but the one I really want y’all to understand is what happens when the kidneys don’t get perfused. So here’s our heart failure patient who has decreased perfusion forward and increased congestion backward. They’re volume overloaded, probably struggling to breathe, and now, they aren’t perfusing their kidneys.

When the kidneys lose blood flow, it stimulates the Renin-Angiotensin-Aldosterone system (RAAS). You will learn more about this in pharmacology, but what you need to know is that it causes three main things to happen in the body.

  1. The first is water retention because of aldosterone and ADH. The kidneys see a lack of flow and think they need to hold onto water! So it is increasing the preload (or stretch) on ventricles whose preload is already sky-high!
  2. The second is vasoconstriction. This is the body trying to pull blood towards the heart to increase the blood pressure – this increases afterload (the force the heart has to pump against) – in a patient whose heart is already struggling as it is!
  3. And the third is the RAAS activates the Sympathetic Nervous System – it’s basically telling the heart to work harder and faster – which it cannot do! The end result is MORE volume overload, MORE stress on the heart muscle, and a perpetuated cycle that never ends.

That’s why I call it the cycle of death. What you’ll see when we look at therapeutic management in the next lesson is that the majority of therapy is aimed at breaking this cycle.

So let’s recap – anything that can affect the heart’s ability to pump effectively can cause heart failure, including an MI, hypertension, and valve disorders. Right-sided heart failure presents with symptoms of decreased pulmonary perfusion and increased systemic congestion – so they’re swollen, gain weight, lots of edema. Left-sided is the opposite – decreased systemic perfusion and increased pulmonary congestion, so these patients are really struggling to breathe. We diagnose with a BNP, Chest X-ray, and Echocardiogram. And don’t forget that the impact this has on the kidneys can make the problem worse – we’ll talk about how we work to break that cycle of death for these patients.

I hope we’ve been able to clear this up for you a bit, like we said sometimes heart failure is overcomplicated! Our goal is to make it easier to understand to give you that peace of mind and confidence! So go out and be your absolute best self today and, as always, happy nursing!

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Study Plan Lessons

Adult Vital Signs (VS)
Nursing Care Plan (NCP) for Infection
Nursing Care Plan (NCP) for Impaired Gas Exchange
Vitals (VS) and Assessment
Nursing Care Plan (NCP) for Pertussis / Whooping Cough
Nursing Care Plan (NCP) for Chronic Kidney Disease
Nursing Care Plan (NCP) for Anxiety
ABGs Nursing Normal Lab Values
Adult Vital Signs (VS)
Congestive Heart Failure Concept Map
Congestive Heart Failure (CHF) Labs
Critical Thinking
Fluid Volume Overload
Heart (Cardiac) Failure Module Intro
Heart (Cardiac) Failure Therapeutic Management
Heart (Cardiac) Sound Locations and Auscultation
Heart (Heart) Failure Exacerbation
Heart Failure – Right Sided Nursing Mnemonic (HEAD)
Heart Failure (Acute Exacerbations, Chronic) for Progressive Care Certified Nurse (PCCN)
Heart Failure Case Study (45 min)
Heart Failure for Certified Emergency Nursing (CEN)
Heart Failure-Origin Nursing Mnemonic (Left – Lung|Right – Rest)
Heart Failure-Left-Sided Nursing Mnemonic (CHOP)
Isotonic Solutions (IV solutions)
Hypertonic Solutions (IV solutions)
Nursing Care and Pathophysiology for Heart Failure (CHF)
Nursing Care and Pathophysiology for Pulmonary Edema
Nursing Care and Pathophysiology for Cardiomyopathy
Nursing Care and Pathophysiology for Syphilis (STI)
Nursing Care and Pathophysiology of Chronic Kidney (Renal) Disease (CKD)
Nursing Care Plan (NCP) for Acute Respiratory Distress Syndrome
Nursing Care Plan (NCP) for Impaired Gas Exchange
Nursing Care Plan (NCP) for Respiratory Failure
Time Management
Pleural Effusion for Certified Emergency Nursing (CEN)
Nursing Care Plan (NCP) for Syncope (Fainting)
Nursing Care Plan (NCP) for Risk for Fall
Nursing Care Plan (NCP) for Decreased Cardiac Output
Nursing Care Plan (NCP) for Cardiogenic Shock
Nursing Care Plan (NCP) for Cardiomyopathy
Nursing Care Plan (NCP) for Chronic Kidney Disease
Nursing Care Plan (NCP) for Activity Intolerance
Nursing Care and Pathophysiology for Cardiogenic Shock
Nitroglycerin (Nitrostat) Nursing Considerations
Disease Specific Medications
Diuretics (Loop, Potassium Sparing, Thiazide, Furosemide/Lasix)
Defects of Decreased Pulmonary Blood Flow
Causes of Dyspnea Nursing Mnemonic (The 6 P’s)
Cataracts
Day in the Life of an Operating Room Nurse
Day in the Life of a Peds (Pediatric) Nurse
Formulating Nursing Diagnoses for Certified Perioperative Nurse (CNOR)
Intraoperative Nursing Priorities
Medication Reconciliation Review for Certified Perioperative Nurse (CNOR)
NRSNG Live | So You Want to be a Surgical Nurse?
Nursing Care Plan (NCP) for Acute Pain
Nursing Care Plan (NCP) for Respiratory Failure
Nutrition Assessments
Perioperative Nursing Roles
Perioperative Nursing Course Introduction
Postoperative (Postop) Complications
Post-Anesthesia Recovery
Preoperative (Preop) Nursing Priorities
Preoperative (Preop)Assessment
Preoperative (Preop) Education
Procedural Terminology
Sterile Field
Surgical Incisions & Drain Sites
Surgical Prep
Strabismus
Trauma Surgery – Medical History Nursing Mnemonic (AMPLE)
Ventilator Settings
Intraoperative (Intraop) Complications
Informed Consent
General Anesthesia
Crash Cart
CRNA
Advanced Cardiovascular Life Support (ACLS)
Dark Skin: IV Insertion
Flight Nurse
Finding Your First Nursing Job as a New Grad
Goal Setting
Head to Toe Nursing Assessment (Physical Exam)
ICU Nurse Report to Floor Nurses
ICU Nurse Report to OR (Operating)Team
Hypoxia – Signs and Symptoms (in Pediatrics) Nursing Mnemonic (FINES)
Hypovolemic Shock Case Study (OB sim) (60 min)
Intake and Output (I&O)
Introduction to Health Assessment
Interviewing for Nursing School
IV Drip Administration & Safety Checks
Isolation Precautions (MRSA, C. Difficile, Meningitis, Pertussis, Tuberculosis, Neutropenia)
Levels of Consciousness (LOC)
Lung Sounds
Life Support Review Course Introduction
Male Reproductive Anatomy (Anatomy and Physiology)
Maslow’s Hierarchy of Needs in Nursing
Menstrual Cycle
Moderate Sedation
Neuro Assessment
Neuro Terminology
Nursing Care and Pathophysiology for Asthma
Nursing Care Delivery Models
Nursing Care Plan (NCP) for Abdominal Pain
Nursing Care Plan (NCP) for Acute Respiratory Distress Syndrome
Nursing Care Plan (NCP) for Asthma
Nursing Care Plan (NCP) for Hypovolemic Shock
Nursing Care Plan (NCP) for Infection
Nursing Care Plan (NCP) for Infective Conjunctivitis / Pink Eye
Nursing Care Plan (NCP) for Influenza
Nursing Care Plan (NCP) for Migraines
Nursing Care Plan (NCP) for Risk for Fall
Nursing Care Plan (NCP) for Syncope (Fainting)
Nursing Care Plan (NCP) for Suicidal Behavior Disorder
Nursing Care Plan for Macular Degeneration
Nursing Case Study for Pediatric Asthma
OLD CARTS Mnemonic (OLD CARTS)
NURSING.com Assessment & Skills Checks
Phases of Nurse-Client Relationship
Pharmacology Course Introduction
R – Real-Life
Questions To Ask Before Applying To A Nursing Program
Respiratory Structure & Function
Surgical Incisions & Drain Sites
Surgical Counts for Certified Perioperative Nurse (CNOR)
Test Taking Course Introduction
Trauma Surgery – Medical History Nursing Mnemonic (AMPLE)
Tuberculosis (TB) Case Study (60 min)
Process of Labor – Mom Nursing Mnemonic (4 P’s)
Prealbumin (PAB) Lab Values
Pictures
Personality Disorders
Pediatric Advanced Life Support (PALS)
Patients with Communication Difficulties
Nursing Care Plan for (NCP) Autism Spectrum Disorder
Nursing Care Plan (NCP) for Nutrition Imbalance
Nursing Care Plan (NCP) for Glaucoma
Nursing Care Plan (NCP) for Decreased Cardiac Output
NRSNG Live | How to Pass Any Nursing School Test
NRSNG Live | My Super Secret Note Taking Method
NRSNG Live | The S.O.C.K Method for Mastering Nursing Pharmacology and Never Forgetting a Medication Again
NRSNG Live | The Successful State of Mind
NRSNG Live | What Your Nursing Professors Want to Tell You But Can’t
Insulin Drips
How to Write a Nursing Care Plan
High-Risk Behaviors
Heart Failure for Certified Emergency Nursing (CEN)
Heart Failure (Acute Exacerbations, Chronic) for Progressive Care Certified Nurse (PCCN)
Heart (Cardiac) Failure Therapeutic Management
Fundal Height Assessment for Nurses
Emergency Drugs Nursing Mnemonic (LEAN)
Drawing Blood from the IV
Drawing Pictures
Disease Specific Medications
Disasters & Bioterrorism
Day in the Life of a NICU Nurse
Day in the Life of an ICU (Intensive Care Unit) Nurse
Congestive Heart Failure (CHF) Labs
Communication of Patient Outcomes (Continuum of Care) for Certified Perioperative Nurse (CNOR)
Common Pathogens for UTI Nursing Mnemonic (KEEPS)
Cognitive Impairment Disorders
Cataracts
Cardiopulmonary Arrest
Cardiac Terminology
Cardiac Cycle
Cardiac Anatomy
Cardiac (Heart) Physiology
Body System Assessments
Blood Flow Through The Heart
Blood Pressure (BP) Control
Attention Deficit Hyperactivity Disorder (ADHD)
Advocating For Your Patient
Advanced Cardiovascular Life Support (ACLS)
3rd Degree AV Heart Block (Complete Heart Block)
2nd Degree AV Heart Block Type 2 (Mobitz II)
2nd Degree AV Heart Block Type 1 (Mobitz I, Wenckebach)
Documentation Basics
Trusting your Gut
Overview of the Nursing Process
Nursing Process – Diagnose
Steps in the Nursing Process 1 Nursing Mnemonic (ADPIE)
Nursing Care Plan (NCP) for Tuberculosis
Nursing Care Plan (NCP) for Impaired Gas Exchange
Nursing Care Plan (NCP) for Infection
Nursing Care Plan (NCP) for Glaucoma
Nursing Care Plan (NCP) for Risk for Fall
Nursing Care Plan (NCP) for Syncope (Fainting)
Goal Setting
Hygiene
How to Write A Nursing Progress Note
How to Write a Nursing Care Plan
Health Promotion Assessments
Intraoperative Nursing Priorities
Hypertension (HTN) Concept Map
Maslow’s Hierarchy of Needs in Nursing
MSN (Masters) vs. DNP (Doctorate)
Nurse-Patient Relationship
Nursing Process – Plan
Nursing Process – Evaluate
Our Goals for Teaching
Nursing School Application Essay
Pain and Nonpharmacological Comfort Measures
Perioperative Nursing Roles
Phases of Nurse-Client Relationship
Preoperative (Preop) Nursing Priorities
Preoperative (Preop)Assessment
Program Planning
Purpose of Nursing Care Plans
Self Concept
Identifying Interventions per Nursing Diagnoses for Certified Perioperative Nurse (CNOR)
Health Promotion & Disease Prevention
Health Promotion Model
Erikson’s Theory of Psychosocial Development
Continuity of Care
Community Health Education
Communicating with Other Nurses
Depression Concept Map
Disease Specific Medications
Advocating For Your Patient
Access to Care
Breast Cancer Concept Map
Intro to Community Health
Depression Concept Map
Congestive Heart Failure Concept Map
Concept Map Course Introduction
Head to Toe Nursing Assessment (Physical Exam)
Maslow’s Hierarchy of Needs in Nursing
Nursing Care Plan (NCP) & Interventions for Increased Intracranial Pressure (ICP)
Program Planning
Sepsis Concept Map
Stroke Concept Map
Hypertension (HTN) Concept Map
Drawing Pictures
Body System Assessments
Bowel Obstruction Concept Map
Blood Pressure (BP) Control
Asthma Concept Map
Aneurysm & Dissection
Amputation Concept Map
Acute Respiratory Distress Syndrome (ARDS) for Progressive Care Certified Nurse (PCCN)
Tuberculosis for Certified Emergency Nursing (CEN)
Tuberculosis (TB) Case Study (60 min)
TB Drugs Nursing Mnemonic (RIPE)
Respiratory Infections Module Intro
Nursing Care Plan (NCP) for Tuberculosis
Nursing Care Plan (NCP) for Impaired Gas Exchange
Nursing Care and Pathophysiology for Tuberculosis (TB)
Isolation Precautions (MRSA, C. Difficile, Meningitis, Pertussis, Tuberculosis, Neutropenia)
Isolation Precaution Types (PPE)
Communicable Diseases
Anti-Infective – Antitubercular
Airborne Precaution Diseases Nursing Mnemonic (MTV)
Casting & Splinting
Care of Vulnerable Populations
Complications of Immobility
Head to Toe Nursing Assessment (Physical Exam)
Mechanical Aids
Mobility & Assistive Devices
Musculoskeletal Terminology
Introduction to Health Assessment
Fractures
Preload and Afterload
Sympatholytics (Alpha & Beta Blockers)
Heart Failure Case Study (45 min)
Congestive Heart Failure Concept Map