A patient complains of difficulty swallowing both liquids and solids and has frequent regurgitation of undigested food. A barium swallow shows the classical"bird-beak" appearance. This finding is most characteristic of?

1. A

   Irritable bowel syndrome (IBS)

2. B

   Achalasia cardia

3. C

   Gastroesophageal reflux disease (GERD)

4. D

   Ulcerative colitis

Appeared in: AIIMS M.Sc. Nsg Entrance exam-2026

Explanation

• Achalasia cardia is a primary esophageal motility disorder characterized by the failure of the lower esophageal sphincter (LES) to relax and the absence of peristalsis in the esophagus.
• This leads to a functional obstruction at the gastroesophageal junction, causing the hallmark symptom of dysphagia for both solids and liquids.
• On a barium swallow, the esophagus appears dilated and tapers into a narrow, beak-like point at the LES, known as the 'bird-beak' sign, which is a classic diagnostic finding.
• Patients often experience regurgitation of undigested food that has been retained in the dilated esophagus.

Why Other Options Were Wrong

• Option A: Irritable bowel syndrome (IBS) is a disorder of the large intestine. Its primary symptoms include abdominal pain, cramping, bloating, gas, and diarrhea or constipation. It does not involve the esophagus or cause difficulty swallowing.
• Option C: Gastroesophageal reflux disease (GERD) is caused by a weakened or incompetent LES that allows stomach acid to reflux into the esophagus. This is the opposite pathophysiology of achalasia, where the LES is too tight and fails to relax.
• Option D: Ulcerative colitis is an inflammatory bowel disease that primarily affects the colon and rectum. It causes inflammation and ulcers, leading to symptoms like bloody diarrhea, abdominal cramps, and urgency. It does not affect the esophagus.

Related Visual

• Visual 1: Radiograph - A barium swallow X-ray clearly showing the 'bird-beak' sign. The image should depict a dilated esophagus that tapers to a sharp, narrow point at the lower esophageal sphincter.
• Visual 2: Diagram - A comparative illustration showing a normal esophagus, an esophagus in a patient with GERD (with a loose LES), and an esophagus in a patient with achalasia (with a tight, non-relaxing LES and proximal dilation).

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing The concept tested is the identification of esophageal motility disorders based on clinical presentation and characteristic radiological findings in acute care settings.
• Nurses play a crucial role in managing patients with achalasia by educating them on dietary modifications, such as eating slowly, chewing food thoroughly, and drinking fluids with meals to help food pass through the esophagus.
• Post-procedure care is vital. After pneumatic dilation or a Heller myotomy, the nurse must monitor for complications like perforation (sudden chest pain, fever, dyspnea) or bleeding.
• What if? If the patient's dysphagia was primarily for solids and only later progressed to liquids, it would be more suggestive of a mechanical obstruction like an esophageal stricture or tumor, rather than a motility disorder like achalasia. This would change the diagnostic priority from manometry to endoscopy with biopsy.

How to Approach the Question

• First, analyze the patient's primary symptoms: difficulty swallowing (dysphagia) for both solids and liquids, and regurgitation of undigested food. This pattern strongly suggests an esophageal motility problem rather than a simple mechanical blockage.
• Next, identify the key diagnostic finding provided: the 'bird-beak' appearance on a barium swallow. This is a classic, pathognomonic sign.
• Evaluate the options. Eliminate choices that do not affect the esophagus or swallowing, such as Irritable Bowel Syndrome and Ulcerative Colitis, which are lower gastrointestinal tract disorders.
• Differentiate between the remaining esophageal disorders. GERD involves a loose lower esophageal sphincter (LES), causing reflux. The symptoms and 'bird-beak' sign point to a tight, non-relaxing LES.
• Conclude that the combination of dysphagia for solids/liquids and the 'bird-beak' sign is the hallmark of Achalasia cardia.

Concept Tested & Keywords

• Concept Tested: The concept tested is the identification of esophageal motility disorders based on clinical presentation and characteristic radiological findings.
• Stem keywords: difficulty swallowing, liquids and solids, regurgitation, undigested food, barium swallow, bird-beak appearance
• Lead-in keywords: most characteristic of
• Clinical cues: The combination of dysphagia for both solids and liquids is a key indicator of a motility disorder.
• Clinical cues: The 'bird-beak' appearance on a barium swallow is a pathognomonic sign for achalasia cardia.

Question ID

QMC2X6yGO2x1Cni3p4K_E_

Copy ID