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NURS 6501 GERD Concept Map

Concept map on GERD pathophysiology: LES dysfunction, impaired esophageal motility, delayed gastric emptying, hiatal hernia, and increased intra-abdominal pressure lead to acid reflux and mucosal damage.

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    Concept Map Template Primary Diagnosis: Gastroesophageal reflux disease (GERD) 1. Describe the pathophysiology of the primary diagnosis in your own words. What are the patient's risk factors for this diagnosis? Gastroesophageal reflax disease (GERD) is a chronic condition where stomach acid frequently leaks into the esophagus, causing symptoms and potential damage (Maret-Ouda et al., 2020). Understanding the pathophysiology and risk factors for GERD involves examining the anatomical and physiological components that contribute to the condition. Pathophysiology of Primary Diagnosis Lover Esophageal Sphincter (LES) Dysfunction: ’ The LES is a ring of muscle at the lower end of the esophagus where it joins the stomach. It normally acts as a one-way valve, preventing stomach contents from flowing back intc the esophagus. In GERD, the LES is weakened or relaxed inappropriately, allowing acid to reflux into the esophagus. Esophageal Motility Disorders: * Abnormalities in esophageal motility can impair the ability of the esophagus to clear acid effectively. For example, decreased peristaltic contractions or a delay in esophageal clearance can exacerbate reflux symptoms. Increased Intra- abdominal Pressure: " Conditions or activities that increase abdominal pressure (e.g., obesity, pregnancy, heavy Lifting) can push stomach contents against the LES, promoting reflux. Delayed Gastric Emptying: * If the stomach takes longer to empty its contents, there is an increased risk of reflux because there is more stomach acid available to flow back into the esophagus. Hiatal Hernia: * A hiatal hernia occurs when part of the stomach bulges through the diaphragm into the chest cavity. This can compromise the LES s ability' tn prevent reflux and contribute to GERD symptoms. Esophageal Mucosal Damage: Chronic exposure to stomach acid can lead to inflammation (esophagitis), ulceration, and Barretf s esophagus (a precancerous condition) (Maret-Ouda et al., 2020). Causes Risk Factors (genetic/ethnic'physical) Gastroesophageal reflux disease (GERD) results from a combination of factors that impair the normal function of the lower esophageal sphincter (LES) and other aspects of esophageal physiology. Here s a detailed look at the causes of GERD: Obesity: • Excess weight increases abdominal pressure, which can weaken the LES and promote acid reflux.

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    1. Lower Esophageal Sphincter (LES) Dysfunction: ■ Weakness or Relaxation: The LES may become weakened or relax inappropriately, allowing stomach acid and other contents to flow bark into the esophagus. This can be due to intrinsic muscle weakness or increased pressure within the stomach. 2. Hiatal Hernia: * Sliding Hernia: This occurs when part of the stomach pushes through the diaphragm into the chest cavity., disrupting the normal function of the LES. * Para oesophageal Hernia: This type is less common but can also interfere with LES function and contribute to reflux. 3. Increased Intra-abdominal Pressure: 1 Obesity: Excess abdominal fat increases pressure on the stomach, pushing acid up into the esophagus. * Pregnancy: Hormonal changes and growing abdominal pressure during pregnancy can lead to GERD. * Heavy Lifting or Straining: Activities that increase abdominal pressure can exacerbate reflux symptoms. 4. Delayed Gastric Emptying: * Gastroparesis: A condition where the stomach empties more slowly than normal can increase the risk of reflux by keeping acid in the stomach longer and increasing the likelihood of it escaping into the esophagus. 5. Esophageal Motility Disorders: * Disordered Peristalsis: Abnormal contractions of the esophagus can impair the clearance of acid from the esophagus , contributing to reflux. 6. Lifestyle and Dietary Factors: * Dietary Triggers: Certain foods and beverages can relax rhe LES or increase acid production, including fatty foods, chocolate, caffeine, alcohol, and spicy foods. Pregnancy: * Hormonal changes and increased abdominal pressure during pregnancv can contribute to GERD. Smoking: * Smoking can weaken the LES and reduce rhe esophageal mucosal defenses, making reflux more likely. Dietary Factors: * Certain foods and beverages (e.g., fatty foods., chocolate, caffeine, alcohol, spicy foods) can relax the LES or increase stomach acid production, leading to reflux. Medications: ■ Some medications, such as antihistamines, calcium channel blockers, and certain antidepressants, can relax the LES or exacerbate reflux. Hiatal Hernia: * As mentioned, a hiatal hernia can contribute to GERD by compromising the LES's function. Genetics: * There may be a genetic predisposition to GERD, although this is less well-defined. Age: * The risk of GERD can increase with age., potentially due to changes in esophageal motility' and LES function over time. (Sepehr et al. : 2024).

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    * Smoking: Tobacco use can weaken ibe LES and impair esophageal mucosal defenses. 7. Medications: 1 Drug-Induced Relaxation: Some medications, like antihistamines, calcium channel blockers., and certain antidepressants, can relax the LES or slow down gastric emptying, contributing to reflux. 8. Genetic Predisposition: 1 Family History: There may be a genetic component to GERD, as individuals with a family history of the condition are at higher risk. 9. Increased Stomach Acid Production: 1 Hyperacidity: Conditions that lead to excessive stomach acid production, such as Zollinger-Ellison syndrome, can contribute to GERD. ID. Anatomical Abnormalities: 1 Esophageal Structure: Structural abnormalities in the esophagus or stomach can impact normal functioning and increase reflux risk. (Maret-Ouda et al.. 2020) 2. What are the patient's signs and symptoms for this diagnosis? How does the diagnosis impact other body systems and what are the possible complications' 5 Signs and Symptoms - Common presentalon How does the diagnosis impact each body system? Complications? Gastroesophageal reflux disease (GERD) presents with a range of symptoms and can affect various body 7 systems over time. Understanding these signs and symptoms, as well as the potential complications, is crucial for effective management and treatment. Signs and Symptoms of GERD: 1. Heartburn: 0 A burning sensation in the chest or throat, often after eating or when lying down. This is the most common symptom of GERD. 1. Respiratory System: O Asthma: GERD can trigger or worsen asthma symptoms due to acid aspiration into the airways. 0 Chronic Cough: Persistent cough from acid irritation of the respiratory tract. 2. Dental Health: 0 Dental Erosion: Acid reflux can erode dental enamel, leading to tooth sensitivity and decay. 3. ENT (Ear, Nose, and Throat) Symptoms:

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    O Chronic Pharyngitis: Persistent throat inflammation or sore threat O Laryngitis: Inflammation of the larynx leading to hoarseness or voice changes. 4. Sleep Disturbances: 0 Sleep Disorders: GERD can cause nocturnal symptoms that disrupt sleep, such as coughing or discomfort when lying flat Passible ComplicatLons: 1. Esophagitis: 0 Inflammation of the Esophagus: Chronic acid exposure can lead to esophagitis., causing pain, bleeding, or difficulty swallowing . 2. Barrett s Esophagus: 0 Pre-cancerous Changes: Long-term GERD can lead to Barrett's esophagus, a condition where the esophageal lining changes, increasing the risk of esophageal cancer. 3. Esophageal Stricture: 0 Narrowing of the Esophagus: Chronic inflammation and scarring can cause the esophagus to narrow, leading to swallowing difficulties. 4. Peptic LQcers: 0 Ulcers in the Esophagus: Although less common, chronic acid exposure can cause ulcers to form in the esophagus. 5. Respiratory Complications: 0 Aspiration Pneumonia: Acid aspiration can lead to infections in the lungs. 6. Chronic Laryngitis and Sinusitis: 0 Persistent Inflammatio n: GERD can contribute tc chronic inflammation of the larynx and sinuses. 2. Regurgitation: 0 The sensation of acid or food coming back up into the mouth cr throar. This can lead to a sour or bitter taste. 3. Dysphagia: 0 Difficulty swallowing or the feeling that focd is getting stuck in the esophagus. 4. Chest Fain: 0 Pain in the chest that can mimic angina or other cardiac conditions, although GERD-related chest pain is usually related to acid reflux. 5. Sore Throat or Laryngitis: 0 Irritation of the throat cr hoarseness due tc acid exposure. 6. Cough: 0 Chronic cough, especially at night, may result frcm acid irritating the airways. 7. Asthma Exacerbation: 0 GERD can worsen asthma symptoms due tc acid aspiration intc the airways. 8. Nausea and Vomiting: 0 Although less common, seme people with GERD may experience nausea or vomiting. 9. Bloating and Belching: 0 Feelings of fullness or excessive belching can also be associated with GERD.

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