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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Concepts Covered:

  • Noninfectious Respiratory Disorder
  • Test Taking Strategies
  • Respiratory Disorders
  • EENT Disorders
  • Prenatal Concepts
  • Studying
  • Prefixes
  • Suffixes
  • Acute & Chronic Renal Disorders
  • Disorders of the Adrenal Gland
  • Integumentary Disorders
  • Oncology Disorders
  • Preoperative Nursing
  • Musculoskeletal Trauma
  • Bipolar Disorders
  • Disorders of the Posterior Pituitary Gland
  • Hematologic Disorders
  • Community Health Overview
  • Immunological Disorders
  • Renal Disorders
  • Childhood Growth and Development
  • Labor Complications
  • Upper GI Disorders
  • Medication Administration
  • Neurological Emergencies
  • Adulthood Growth and Development
  • Disorders of Pancreas
  • Musculoskeletal Disorders
  • Cardiac Disorders
  • Disorders of the Thyroid & Parathyroid Glands
  • Integumentary Important Points
  • Pregnancy Risks
  • Urinary Disorders
  • Vascular Disorders
  • Eating Disorders
  • Learning Pharmacology
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  • Basics of NCLEX
  • Factors Influencing Community Health
  • Lower GI Disorders
  • Intraoperative Nursing
  • Integumentary Disorders
  • Neurologic and Cognitive Disorders
  • Trauma-Stress Disorders
  • Central Nervous System Disorders – Brain
  • Somatoform Disorders
  • Dosage Calculations
  • Depressive Disorders
  • Personality Disorders
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  • Circulatory System
  • Postoperative Nursing
  • Hematologic Disorders
  • Liver & Gallbladder Disorders
  • Infectious Respiratory Disorder
  • Central Nervous System Disorders – Spinal Cord
  • Emergency Care of the Cardiac Patient
  • Concepts of Population Health
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  • Note Taking
  • Female Reproductive Disorders
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  • Postpartum Complications
  • Endocrine and Metabolic Disorders
  • Fetal Development
  • Shock
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  • Labor and Delivery
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  • Newborn Care
  • Renal and Urinary Disorders
  • Newborn Complications
  • Urinary System
  • Musculoskeletal Disorders
  • Infectious Disease Disorders
  • Nervous System
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Study Plan Lessons

Nursing Care and Pathophysiology of COPD (Chronic Obstructive Pulmonary Disease)
12 Points to Answering Pharmacology Questions
ABGs Nursing Normal Lab Values
Care of the Pediatric Patient
Glaucoma
Menstrual Cycle
Time Management
X-Ray (Xray)
54 Common Medication Prefixes and Suffixes
ABG (Arterial Blood Gas) Interpretation-The Basics
Nursing Care and Pathophysiology of Acute Kidney (Renal) Injury (AKI)
Addisons Disease
Burn Injuries
Cataracts
Computed Tomography (CT)
Family Planning & Contraception
Informed Consent
Lung Sounds
Study Setting
Vitals (VS) and Assessment
Alveoli & Atelectasis
Nursing Care and Pathophysiology for Cushings Syndrome
Goal Setting
Macular Degeneration
Magnetic Resonance Imaging (MRI)
Preoperative (Preop)Assessment
Pressure Ulcers/Pressure injuries (Braden scale)
Therapeutic Drug Levels (Digoxin, Lithium, Theophylline, Phenytoin)
Nursing Care and Pathophysiology for Diabetes Insipidus (DI)
Nursing Care and Pathophysiology for Disseminated Intravascular Coagulation (DIC)
Epidemiology
Essential NCLEX Meds by Class
Gas Exchange
Nursing Care and Pathophysiology of Glomerulonephritis
Growth & Development – Infants
Nursing Care and Pathophysiology for Herpes Zoster – Shingles
Isotonic Solutions (IV solutions)
Nursing Care and Pathophysiology of Osteoarthritis (OA)
Nursing Care and Pathophysiology for Pancreatitis
Preoperative (Preop) Education
6 Rights of Medication Administration
Cerebral Angiography
Growth & Development – Toddlers
Health Promotion & Disease Prevention
Hearing Loss
Hypotonic Solutions (IV solutions)
Nursing Care and Pathophysiology of Osteoporosis
Nursing Care and Pathophysiology for Peptic Ulcer Disease (PUD)
Preoperative (Preop) Nursing Priorities
Respiratory Acidosis (interpretation and nursing interventions)
Thrombocytopenia
Blood Transfusions (Administration)
Cardiovascular Angiography
Fractures
Growth & Development – Preschoolers
Nursing Care and Pathophysiology for Hyperthyroidism
Hypertonic Solutions (IV solutions)
Integumentary (Skin) Important Points
Preload and Afterload
Respiratory Alkalosis
Nursing Care and Pathophysiology of Urinary Tract Infection (UTI)
Echocardiogram (Cardiac Echo)
Growth & Development – School Age- Adolescent
Nursing Care and Pathophysiology for Hypothyroidism
Metabolic Acidosis (interpretation and nursing diagnosis)
Performing Cardiac (Heart) Monitoring
Metabolic Alkalosis
The SOCK Method – Overview
Ultrasound
The SOCK Method – S
The SOCK Method – O
Base Excess & Deficit
The SOCK Method – C
The SOCK Method – K
Biopsy
Anxiety
Basics of Calculations
Critical Thinking
Cultural Care
Gestation & Nägele’s Rule: Estimating Due Dates
Potassium-K (Hyperkalemia, Hypokalemia)
Nursing Care and Pathophysiology of Angina
Nursing Care and Pathophysiology for Appendicitis
Nursing Care and Pathophysiology for Asthma
Bloom’s Taxonomy
Nursing Care and Pathophysiology of Chronic Kidney (Renal) Disease (CKD)
Nursing Care and Pathophysiology of Diabetes Mellitus (DM)
Dimensional Analysis Nursing (Dosage Calculations/Med Math)
Environmental Health
General Anesthesia
Generalized Anxiety Disorder
Gravidity and Parity (G&Ps, GTPAL)
Impetigo
Leukemia
Levels of Consciousness (LOC)
Sodium-Na (Hypernatremia, Hyponatremia)
Nursing Care and Pathophysiology of COPD (Chronic Obstructive Pulmonary Disease)
Diabetes Management
Dialysis & Other Renal Points
Local Anesthesia
Lymphoma
Nursing Care and Pathophysiology of Myocardial Infarction (MI)
Oral Medications
Pediculosis Capitis
Post-Traumatic Stress Disorder (PTSD)
Routine Neuro Assessments
What is the NCLEX?
Adjunct Neuro Assessments
Anatomy of an NCLEX Question
Burn Injuries
Chloride-Cl (Hyperchloremia, Hypochloremia)
Nursing Care and Pathophysiology of Diabetic Ketoacidosis (DKA)
Fundal Height Assessment for Nurses
Injectable Medications
Moderate Sedation
Oncology Important Points
Somatoform
Technology & Informatics
Nursing Care and Pathophysiology of Coronary Artery Disease (CAD)
Hyperglycaemic Hyperosmolar Non-ketotic syndrome (HHNS)
Nursing Care and Pathophysiology for Inflammatory Bowel Disease (IBD)
IV Infusions (Solutions)
Malignant Hyperthermia
Maternal Risk Factors
Complex Calculations (Dosage Calculations/Med Math)
Intracranial Pressure ICP
Mood Disorders (Bipolar)
Nursing Care and Pathophysiology for Ulcerative Colitis(UC)
Cerebral Perfusion Pressure CPP
Nursing Care and Pathophysiology for Crohn’s Disease
Depression
Paranoid Disorders
Personality Disorders
Cognitive Impairment Disorders
Eating Disorders (Anorexia Nervosa, Bulimia Nervosa)
Alcohol Withdrawal (Addiction)
Grief and Loss
Suicidal Behavior
Normal Sinus Rhythm
Physiological Changes
Post-Anesthesia Recovery
Red Blood Cell (RBC) Lab Values
SATA
Sickle Cell Anemia
Absolute Words
Nursing Care and Pathophysiology for Acquired Immune Deficiency Syndrome (AIDS)
Nursing Care and Pathophysiology for Cholecystitis
Discomforts of Pregnancy
Nursing Care and Pathophysiology for Heart Failure (CHF)
Hemoglobin (Hbg) Lab Values
Nursing Care and Pathophysiology for Influenza (Flu)
Nursing Care and Pathophysiology for Multiple Sclerosis (MS)
Postoperative (Postop) Complications
Sinus Bradycardia
Nursing Care and Pathophysiology for Anaphylaxis
Antepartum Testing
Hematocrit (Hct) Lab Values
Hemophilia
Nursing Care and Pathophysiology for Hepatitis (Liver Disease)
Opposites
Sinus Tachycardia
Nursing Care and Pathophysiology for Tuberculosis (TB)
Nursing Care and Pathophysiology for Cirrhosis (Liver Disease, Hepatic encephalopathy, Portal Hypertension, Esophageal Varices)
Discharge (DC) Teaching After Surgery
Nutrition in Pregnancy
Pacemakers
Nursing Care and Pathophysiology of Pneumonia
Same
White Blood Cell (WBC) Lab Values
Atrial Fibrillation (A Fib)
Communicable Diseases
Platelets (PLT) Lab Values
Priority
Coagulation Studies (PT, PTT, INR)
Disasters & Bioterrorism
Nursing Process
Acute vs Chronic
Miscellaneous Nerve Disorders
Premature Ventricular Contraction (PVC)
What do you want me to know?
Duplicate Facts
Ventricular Tachycardia (V-tach)
Repeating Words
Ventricular Fibrillation (V Fib)
Denying Feelings
NCLEX® Question Traps
Albumin Lab Values
Outline Question Method (Note taking)
Nursing Care and Pathophysiology for Pelvic Inflammatory Disease (PID)
Benzodiazepines
Cholesterol (Chol) Lab Values
Drawing Pictures
Nursing Care and Pathophysiology for Hemorrhagic Stroke (CVA)
Nursing Care and Pathophysiology of Hypertension (HTN)
Ammonia (NH3) Lab Values
Artificial Airways
Nursing Care and Pathophysiology for Endometriosis
Nursing Care and Pathophysiology for Ischemic Stroke (CVA)
Nephroblastoma
Airway Suctioning
Chorioamnionitis
Nursing Care and Pathophysiology for Menopause
Stroke Assessment (CVA)
Nursing Care and Pathophysiology for Cardiomyopathy
Gestational Diabetes (GDM)
Stroke Therapeutic Management (CVA)
Disseminated Intravascular Coagulation (DIC)
Stroke Nursing Care (CVA)
Ectopic Pregnancy
Nursing Care and Pathophysiology for Thrombophlebitis (clot)
Hydatidiform Mole (Molar pregnancy)
Gestational HTN (Hypertension)
Infections in Pregnancy
Preeclampsia: Signs, Symptoms, Nursing Care, and Magnesium Sulfate
Blood Urea Nitrogen (BUN) Lab Values
Fever
Creatinine (Cr) Lab Values
Dehydration
Fetal Development
Nursing Care and Pathophysiology for Hypovolemic Shock
Seizure Causes (Epilepsy, Generalized)
Nursing Care and Pathophysiology for Cardiogenic Shock
Fetal Environment
Seizure Assessment
Chest Tube Management
Nursing Care and Pathophysiology for Distributive Shock
Fetal Circulation
Seizure Therapeutic Management
Urinalysis (UA)
Nursing Care and Pathophysiology for Seizure
Glucose Lab Values
Process of Labor
Vomiting
Pediatric Gastrointestinal Dysfunction – Diarrhea
Hemoglobin A1c (HbA1C)
Mechanisms of Labor
Leopold Maneuvers
Celiac Disease
Fetal Heart Monitoring (FHM)
Nursing Care and Pathophysiology for Meningitis
Appendicitis
Intussusception
Constipation and Encopresis (Incontinence)
Conjunctivitis
Prolapsed Umbilical Cord
Acute Otitis Media (AOM)
Placenta Previa
Abruptio Placentae (Placental abruption)
Tonsillitis
Preterm Labor
Precipitous Labor
Dystocia
Postpartum Physiological Maternal Changes
Bronchiolitis and Respiratory Syncytial Virus (RSV)
MAOIs
Postpartum Discomforts
Breastfeeding
Asthma
SSRIs
Cystic Fibrosis (CF)
TCAs
Congenital Heart Defects (CHD)
Defects of Increased Pulmonary Blood Flow
Postpartum Hemorrhage (PPH)
Defects of Decreased Pulmonary Blood Flow
Mastitis
Insulin
Obstructive Heart (Cardiac) Defects
Mixed (Cardiac) Heart Defects
Histamine 1 Receptor Blockers
Initial Care of the Newborn (APGAR)
Nephrotic Syndrome
Enuresis
Newborn Physical Exam
Body System Assessments
Histamine 2 Receptor Blockers
Newborn Reflexes
Babies by Term
Cerebral Palsy (CP)
Renin Angiotensin Aldosterone System
Meconium Aspiration
Meningitis
Transient Tachypnea of Newborn
Hyperbilirubinemia (Jaundice)
Spina Bifida – Neural Tube Defect (NTD)
ACE (angiotensin-converting enzyme) Inhibitors
Autism Spectrum Disorders
Attention Deficit Hyperactivity Disorder (ADHD)
Newborn of HIV+ Mother
Angiotensin Receptor Blockers
Calcium Channel Blockers
Cardiac Glycosides
Scoliosis
Metronidazole (Flagyl) Nursing Considerations
Ciprofloxacin (Cipro) Nursing Considerations
Vancomycin (Vancocin) Nursing Considerations
Anti-Infective – Penicillins and Cephalosporins
Atypical Antipsychotics
Rubeola – Measles
Mumps
Varicella – Chickenpox
Pertussis – Whooping Cough
Autonomic Nervous System (ANS)
Sympathomimetics (Alpha (Clonodine) & Beta (Albuterol) Agonists)
Parasympathomimetics (Cholinergics) Nursing Considerations
Parasympatholytics (Anticholinergics) Nursing Considerations
Diuretics (Loop, Potassium Sparing, Thiazide, Furosemide/Lasix)
Epoetin Alfa
HMG-CoA Reductase Inhibitors (Statins)
Magnesium Sulfate
NSAIDs
Corticosteroids
Hydralazine (Apresoline) Nursing Considerations
Nitro Compounds
Vasopressin
Nursing Care and Pathophysiology of Acute Kidney (Renal) Injury (AKI)
Nursing Care and Pathophysiology for Anemia
Nursing Care and Pathophysiology for Heart Failure (CHF)
Nursing Care and Pathophysiology of Diabetes Mellitus (DM)
Dissociative Disorders
Eczema
Fractures
Hemodynamics
Nursing Care and Pathophysiology for Hemorrhagic Stroke (CVA)
Nursing Care and Pathophysiology of Myocardial Infarction (MI)
Nursing Care and Pathophysiology for Parkinsons
Asthma
Pediatric Gastrointestinal Dysfunction – Diarrhea
Postpartum Hemorrhage (PPH)
Preeclampsia: Signs, Symptoms, Nursing Care, and Magnesium Sulfate
Proton Pump Inhibitors
Schizophrenia
Nursing Care and Pathophysiology for SIADH (Syndrome of Inappropriate antidiuretic Hormone Secretion)