General Surgery - Main
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Questions and Answers

What does the 'C' in the 'SOCRATES' acronym used for abdominal pain history taking stand for?

  • Chronicity
  • Character (correct)
  • Complications
  • Cause

Which of the following is NOT a common non-traumatic cause of acute abdomen?

  • Laceration (correct)
  • Obstruction
  • Inflammation
  • Ischaemia

Visceral abdominal pain is often described as:

  • Intense and radiating down the leg
  • Dull, colicky, and poorly localized (correct)
  • Burning and constant
  • Sharp and precisely located

Somatic pain in the abdomen is mediated by which nervous system component?

<p>Somatic nerves (C)</p> Signup and view all the answers

Biliary pain referred to the right shoulder is mediated by which nerve?

<p>Phrenic nerve (B)</p> Signup and view all the answers

Lower abdominal pain could potentially originate from which of the following?

<p>Pelvic contents (C)</p> Signup and view all the answers

Why might the precise localization of visceral pain be challenging in the abdomen?

<p>Because visceral pain localization corresponds to the embryological origin of the affected organ and is mediated by the sympathetic nervous system. (C)</p> Signup and view all the answers

What is the typical initial symptom of acute appendicitis?

<p>Periumbilical colic due to appendix obstruction (D)</p> Signup and view all the answers

Which of the following symptoms is commonly associated with acute appendicitis?

<p>Anorexia, nausea, and vomiting (D)</p> Signup and view all the answers

In cases of a ruptured abdominal aortic aneurysm or ectopic pregnancy, what is the most life-threatening immediate risk if it is not addressed promptly?

<p>Exsanguination and death due to rapid blood loss. (D)</p> Signup and view all the answers

What does the presence of melaena suggest?

<p>Blood in the stool that looks black from upper gastrointestinal bleeding (B)</p> Signup and view all the answers

Why is it crucial to inquire about a female patient's last menstrual period (LMP) during an abdominal examination?

<p>To determine if they might be pregnant or have a gynaecological/obstetric issue (B)</p> Signup and view all the answers

What is the correct order of steps in a standard abdominal examination?

<p>Inspection, Gentle Palpation, Deep Palpation, Percussion, Auscultation (A)</p> Signup and view all the answers

What does the presence of spider naevi typically indicate?

<p>Liver issues due to problems metabolising oestrogen (D)</p> Signup and view all the answers

What does shifting dullness indicate during abdominal percussion?

<p>The presence of fluid in the abdomen (ascites) (D)</p> Signup and view all the answers

A patient presents with spoon-shaped fingers (koilonychia). Which condition is most likely associated with this finding?

<p>Longstanding Anaemia (E)</p> Signup and view all the answers

Which of the following laboratory tests is most indicative of pancreatitis?

<p>Elevated amylase (C)</p> Signup and view all the answers

What is the primary mechanism by which NSAIDs contribute to the formation of peptic ulcers?

<p>Inhibiting the production of protective prostaglandins in the mucosa (C)</p> Signup and view all the answers

In the context of a perforated peptic ulcer, what clinical finding is most commonly observed on an erect chest X-ray?

<p>Free gas under the diaphragm (A)</p> Signup and view all the answers

Which symptom is LEAST likely to be associated with intestinal obstruction?

<p>Frequent bowel movements (A)</p> Signup and view all the answers

What is the most common acute abdominal surgical emergency in young adults?

<p>Acute appendicitis (B)</p> Signup and view all the answers

A patient presents with severe back pain and is suspected of having acute pancreatitis. Which of the following etiologies is LEAST likely to be associated with this condition?

<p>Hypercalcemia (D)</p> Signup and view all the answers

During the embryological development of the thyroid gland, where does it originate?

<p>At the junction of the anterior 2/3 and posterior 1/3 of the tongue (A)</p> Signup and view all the answers

Which of the following conditions is characterized by normal levels of T3 and T4 hormones?

<p>Euthyroidism (A)</p> Signup and view all the answers

A surgeon performs a thyroidectomy and places a surgical drain. According to the principles outlined, what is the primary factor determining when the drain should be removed?

<p>When the drainage has significantly decreased, irrespective of the time elapsed (B)</p> Signup and view all the answers

A patient presents with a midline neck swelling. Which of the following is the LEAST likely differential diagnosis?

<p>Branchial cyst (C)</p> Signup and view all the answers

Which of the following is NOT typically associated with signs of sepsis?

<p>Increased urine production (D)</p> Signup and view all the answers

What is the primary physiological effect of endotoxin-induced vasodilation in septicemic shock?

<p>Severe and sudden decrease in blood pressure (C)</p> Signup and view all the answers

In the context of 'sepsis six' management, what initial intervention is recommended to address inadequate tissue oxygenation?

<p>Oxygen administration to maintain saturations &gt; 94% (B)</p> Signup and view all the answers

Which of the following is the MOST accurate definition of 'shock' in a medical context?

<p>The inability to perfuse vital organs adequately (B)</p> Signup and view all the answers

According to the provided information, which condition might be suspected in a patient presenting with shock and coma but without obvious signs of infection?

<p>Neural shock (D)</p> Signup and view all the answers

Considering the 'give and take' approach to sepsis management, which of the following is classified under the 'take' category?

<p>Measuring serial lactate levels (C)</p> Signup and view all the answers

A patient presents with acute confusion, and their caregiver reports a recent increase in NSAID use for chronic pain. According to the information, what is the MOST appropriate initial action?

<p>Signpost for further evaluation, considering the NSAID use (A)</p> Signup and view all the answers

A patient is suspected of having sepsis but does not initially present with a fever. Which crucial assessment finding warrants the MOST urgent intervention according to the safety netting mnemonic 'SEPSIS'?

<p>Reporting no urine output in the past 24 hours (B)</p> Signup and view all the answers

A patient reports abdominal pain that began vaguely around their umbilicus but has now become sharp and localized in the right lower quadrant. Which of the following best explains this progression?

<p>The pain initially stimulated visceral nerves and then transitioned to somatic nerves. (C)</p> Signup and view all the answers

A patient presents with severe abdominal pain. Upon taking their history, they report experiencing similar pain previously that was relieved by lying perfectly still. What aspect of the SOCRATES acronym does this detail directly address?

<p>Relieving Factors (A)</p> Signup and view all the answers

A patient is diagnosed with a perforated peptic ulcer. Which of the following mechanisms primarily contributes to the intense, localized abdominal pain they are experiencing?

<p>Irritation of the parietal peritoneum by intestinal contents stimulating somatic nerves. (B)</p> Signup and view all the answers

A patient experiencing acute abdominal pain describes it as a dull, cramping pain around their umbilicus. Based on this description, which of the following is the most likely origin of the pain?

<p>Distention or spasm of a visceral organ. (C)</p> Signup and view all the answers

A patient is being evaluated for acute abdominal pain. While taking their history, they mention experiencing recent chest pain and shortness of breath. Why is this information most important?

<p>To assess for potential cardiac causes of abdominal pain. (B)</p> Signup and view all the answers

A patient presents with sudden onset abdominal pain that is exacerbated by movement. They are cold and sweaty with shallow breaths, and a rigid abdomen. An erect CXR reveals free gas under the diaphragm. Which of the following conditions is the MOST likely diagnosis?

<p>Perforated peptic ulcer (A)</p> Signup and view all the answers

Which of the following mechanisms BEST describes how Helicobacter pylori contributes to the formation of peptic ulcers?

<p>Direct damage to the mucosal barrier (C)</p> Signup and view all the answers

A 25-year-old presents with periumbilical pain that has migrated to the right iliac fossa. They have anorexia and nausea. Which of the following examination findings would MOST strongly suggest acute appendicitis?

<p>Pain worsening with coughing (C)</p> Signup and view all the answers

A patient presents with severe back pain and elevated amylase levels. Which combination of factors would MOST strongly suggest a diagnosis of acute pancreatitis?

<p>History of gallstones and alcoholism (D)</p> Signup and view all the answers

In the context of acute appendicitis, what is the most likely reason for the initial periumbilical pain?

<p>Obstruction of the appendiceal lumen leading to distension. (B)</p> Signup and view all the answers

A patient presents with a midline neck mass. Considering the provided information, which of the following conditions should be considered in the differential diagnosis?

<p>Plunging ranula (A)</p> Signup and view all the answers

A female patient presents with acute abdominal pain. Why is it essential to inquire about her last menstrual period (LMP) and consider pregnancy?

<p>To rule out gynaecological or obstetric causes of abdominal pain, such as ectopic pregnancy. (A)</p> Signup and view all the answers

A patient who underwent a thyroidectomy has a surgical drain in place. Which principle should guide the decision on when to remove the drain?

<p>Remove when minimal drainage is observed, regardless of the duration (D)</p> Signup and view all the answers

During an abdominal examination, what does the finding of 'shifting dullness' upon percussion most likely indicate?

<p>The presence of ascites (fluid in the abdomen). (C)</p> Signup and view all the answers

A patient's hands show spoon-shaped fingers (koilonychia). What underlying condition should the examiner suspect?

<p>Longstanding iron deficiency anaemia. (D)</p> Signup and view all the answers

Which of the following is NOT typically associated with Intestinal Obstruction?

<p>Bradycardia (C)</p> Signup and view all the answers

What key feature differentiates somatic pain from visceral pain in abdominal conditions like appendicitis?

<p>Somatic pain becomes localized due to inflammation of the parietal peritoneum. (D)</p> Signup and view all the answers

If a patient has spider naevi visible on their abdomen, what underlying condition is most likely?

<p>A condition affecting the liver's ability to metabolise oestrogen. (D)</p> Signup and view all the answers

During the abdominal examination of a patient presenting with abdominal distension, resonant percussion notes are observed. Which of the following conditions is MOST likely?

<p>Intestinal obstruction. (B)</p> Signup and view all the answers

Melaena is reported in a patient's history. What does this finding suggest about the source and nature of the bleeding?

<p>Upper gastrointestinal bleeding. (D)</p> Signup and view all the answers

A patient presents with abdominal pain. Which of the following historical details would be MOST helpful in differentiating between visceral and somatic pain?

<p>A description of the pain as either dull and cramping or sharp and localized. (C)</p> Signup and view all the answers

A patient reports right shoulder pain in addition to acute abdominal pain thought to be biliary in origin. Which nerve mediates this referred pain to the shoulder?

<p>Phrenic nerve. (D)</p> Signup and view all the answers

In the context of acute abdominal pain assessment, an ectopic pregnancy would MOST likely be a differential for pain originating from which location?

<p>Lower abdomen. (A)</p> Signup and view all the answers

A patient is being evaluated for possible acute abdomen. Which of the following conditions is most likely to present with both visceral and somatic pain components?

<p>Perforated diverticulitis. (B)</p> Signup and view all the answers

A patient is suspected of having an acute abdomen. If a ruptured abdominal aortic aneurysm is the cause, what is the most critical and immediate risk?

<p>Exsanguination and death. (D)</p> Signup and view all the answers

A patient presents with extreme abdominal pain that started suddenly and worsens with movement. They also report feeling cold and sweaty. An erect chest X-ray reveals free gas under the diaphragm. Which condition is the MOST likely diagnosis, considering this presentation?

<p>Perforated peptic ulcer (B)</p> Signup and view all the answers

A patient with a history of chronic NSAID use presents with signs of a perforated peptic ulcer. Which of the following mechanisms explains how NSAIDs contribute to this condition?

<p>Inhibiting the production of protective prostaglandins in the mucosa. (C)</p> Signup and view all the answers

A young adult presents with periumbilical pain that has migrated to the right iliac fossa. They also report anorexia and nausea. Which sequence of events BEST reflects the typical progression of symptoms in acute appendicitis?

<p>Periumbilical pain -&gt; anorexia -&gt; nausea -&gt; right iliac fossa pain (C)</p> Signup and view all the answers

A patient is suspected of having acute pancreatitis. Which combination of laboratory findings and clinical presentation would MOST strongly support this diagnosis?

<p>Elevated amylase levels and severe back pain. (C)</p> Signup and view all the answers

A 30-year-old patient presents with a midline neck swelling. While a thyroglossal duct cyst is considered, which other condition should be included in the differential diagnosis?

<p>Sublingual dermoid (C)</p> Signup and view all the answers

A surgeon is performing a thyroidectomy. What is the PRIMARY purpose of placing a surgical drain following this procedure?

<p>To prevent haematoma formation. (B)</p> Signup and view all the answers

A patient presents with a goiter. How would you classify a goiter that involves the entire thyroid gland with no distinct nodules?

<p>Diffuse goiter (A)</p> Signup and view all the answers

In the context of acute appendicitis, what physiological process explains the shift from periumbilical pain to right iliac fossa pain?

<p>The initial pain is visceral due to appendiceal distension, transitioning to somatic pain as the parietal peritoneum becomes inflamed. (A)</p> Signup and view all the answers

What gynecological or obstetric condition should be highly considered when assessing a female patient presenting with lower abdominal pain?

<p>Ovarian cyst rupture (C)</p> Signup and view all the answers

Which of the following is the MOST likely underlying cause of spider naevi observed during an abdominal examination?

<p>Impaired estrogen metabolism (C)</p> Signup and view all the answers

A patient presents with abdominal distension. Percussion reveals a resonant sound. What does this finding suggest?

<p>Intestinal obstruction (C)</p> Signup and view all the answers

What is the significance of anorexia, nausea, and vomiting in the history of a patient presenting with acute abdominal pain?

<p>They are commonly associated with various abdominal conditions, including appendicitis and intestinal obstruction (A)</p> Signup and view all the answers

Why is it important to perform percussion during an abdominal examination?

<p>To help identify presence of fluid, gas, or solid masses. (B)</p> Signup and view all the answers

During an abdominal examination, what is the purpose of progressing from gentle to deep palpation?

<p>To minimize patient discomfort while assessing superficial and deeper structures. (A)</p> Signup and view all the answers

A patient reports having black, tarry stools (melaena). What does this finding suggest about the source and nature of the bleeding?

<p>The bleeding is likely from the upper gastrointestinal tract, with blood that has been digested. (D)</p> Signup and view all the answers

Flashcards

Referred Pain

Pain originating from an organ, but felt in a different location due to shared nerve pathways.

Biliary Pain Referral

Pain associated with the biliary system and sensed in the right supraclavicular region (shoulder).

Visceral Pain

Originates from abdominal organs, is poorly localized, and often described as dull or colicky.

Visceral pain localization

Localization according to the embryological origin of the affected organ

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Somatic/Parietal Pain

Sharp, localized pain mediated by somatic nerves (T5-L2) in the abdominal wall's parietal peritoneum.

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Somatic Pain Causes

Pain caused by irritants like intestinal contents or enzyme-rich exudates affecting the parietal peritoneum.

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'SOCRATES' Pain Assessment

A structured approach to gathering information about pain: Site, Onset, Character, Radiation, Associations, Time, Exacerbating factors, Severity.

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Common Causes of Acute Abdomen

Inflammation, ischemia, obstruction, perforation, and rupture.

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Periumbilical Colic

Initial abdominal pain from appendicitis, often felt around the belly button, due to blockage of the appendix.

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Appendicitis in Children

In children, appendicitis can sometimes show up as a sore throat due to enlarged lymphatic tissue.

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Right Iliac Fossa Pain

As the appendix inflammation spreads, pain becomes more localized and intense in the lower right side of the abdomen.

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Anorexia, Nausea, and Vomiting

Common symptoms that accompany abdominal pain, especially in appendicitis.

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Melaena

Black, tarry stool, indicating bleeding in the upper part of the digestive system.

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Shifting Dullness

A physical exam where dull sounds indicate fluid; sound changes with patient's movement.

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Ascites

Fluid buildup in the abdomen.

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Intestinal Obstruction

Abdomen swelling from a blockage, sounds hollow when tapped.

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Acute Confusional State (ACS)

Sudden confusion, may indicate infection or other acute issues.

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Signs of Sepsis

Feeling faint, change in mental state, diarrhea, nausea/vomiting, slurred speech, severe muscle pain, severe breathlessness, and decreased urine production.

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Septicaemic Shock

Sepsis leading to severe vasodilation from endotoxins, causing an inability to perfuse vital organs.

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Shock (General)

Inability to provide adequate blood flow/oxygen to vital organs.

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Sepsis Safety-Netting (SEP-SIS)

Slurred speech, extreme shivering, passing no urine, severe breathlessness, feeling like you are going to die, skin mottled.

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Sepsis Management (Give)

Administer oxygen, fluids, and IV antibiotics.

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Sepsis Management (Take)

Take blood cultures, lactate levels, and monitor urine output.

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Draining Minimally

Reduced or Minimal urine output.

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Amylase (Laboratory Test)

Elevated levels indicate possible pancreatitis.

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Laparoscopy

Procedure for diagnosis and treatment using small incisions and CO2 inflation.

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Peptic Ulcer Aetiology

Common causes include Helicobacter pylori infection and NSAID use.

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Perforated Peptic Ulcer

Extreme pain, rigid abdomen, and possible free gas under the diaphragm.

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Intestinal Obstruction Symptoms

Colicky abdominal pain, distension, constipation, and vomiting.

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Acute Appendicitis Symptoms

Pain starting around the belly button, then moving to lower right abdomen.

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Acute Pancreatitis Aetiology

Gallstones and alcoholism.

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Thyroid Gland Origin

The junction of the anterior 2/3 and posterior 1/3 of the tongue.

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Goitre

Enlargement of the thyroid gland.

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Thyroid Cancer Types

Papillary, Follicular, Anaplastic, and Medullary.

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Referred Abdominal Pain

Pain felt in an area different from the origin, due to shared nerve pathways.

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Abdominal Pain History

Follows the 'SOCRATES' acronym to assess pain: Site, Onset, Character, Radiation, Associations, Time, Exacerbating factors, Severity.

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Acute Abdomen Causes

Inflammation, ischaemia, obstruction, perforation and rupture.

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Somatic Pain in Appendicitis

RLQ pain due to inflammation of the parietal peritoneum.

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Appendicitis Symptoms

Loss of appetite, feeling sick, throwing up with abdominal pain.

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Altered Bowel Habit

Change in normal bowel movements.

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Melaena Definition

Black, tarry stool from bleeding higher up in the digestive system.

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Ruptured Follicle Pain

Rupture of ovarian follicle or corpus luteum can cause abdominal pain.

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Ectopic Pregnancy Pain

Ectopic pregnancy can cause acute abdominal pain in females.

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Inspection (Abdomen)

Visual assessment of the abdomen.

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Ascites Test

Fluid in the abdomen demonstrated by a shifting dull sound, on tapping.

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Full Blood Count (FBC)

A blood test to measure levels of haemoglobin, white blood cell count, and platelets.

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Biochemistry (Lab Tests)

Measures levels of amylase, liver function, urea and electrolytes, and arterial blood gas.

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Erect Chest X-Ray

An X-ray taken with the patient standing to detect free gas in the abdomen, which is usually caused by perforation.

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Goitre Types

Thyroid enlargement which can be diffuse, multinodular, or solitary.

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Lateral Neck Swelling - DDx

Lateral neck swelling can be caused by lymph nodes, thyroid, salivary glands or branchial cysts.

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Thyroidectomy

Surgical removal of all or part of the thyroid gland, sometimes including neck dissections.

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Referred (Visceral) Pain

Pain originating from an organ, but felt remotely.

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Somatic Pain

Sharp, localized pain mediated by somatic nerves.

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Abdominal Pain in Females

In females, always consider pregnancy as a possible cause of abdominal pain.

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Abdominal Examination Order

Systematic physical assessment: look, feel gently, feel deeply, tap, and listen.

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Ascites Definition

Fluid accumulation in the abdomen.

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Percussion (Abdomen)

Gentle tapping of the abdomen to detect fluid.

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Abdominal Distension

Abdominal swelling due to contents not passing correctly.

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Spider Naevus

Common skin finding in liver disease, looks like a spider.

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Koilonychia

Curved fingernails indicating long-term anemia.

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Goitre Definition

Enlargement of the thyroid gland.

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Euthyroid Definition

Normal thyroid hormone levels (T3 and T4).

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Hypothyroid Definition

Low thyroid hormone levels (T3 and T4).

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Hyperthyroid Definition

High thyroid hormone levels (T3 and T4).

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Surgical Drains Function

A surgical drain used to prevent the formation of haematomas.

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Urea and Electrolytes

A blood test that measures kidney function, including urea, creatinine, sodium, and potassium levels.

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Sub-Phrenic Irritation

Extreme abdominal pain due to irritation of the diaphragm, causing pain in the shoulder.

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