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Question 1
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An expectant mother visits the obstetrician's office with a complaint of a painful nipple and a white discharge from the nipple. It is suspected that she has a candidal infection. What advice and treatment should be provided?
Your Answer: Continue breast feeding treat both the mother and baby simultaneously
Explanation:It is essential to treat the candidal infection by administering miconazole cream to both the mother and child. The cream should be applied to the nipple after feeding and the infant’s oral mucosa. Breastfeeding should continue during the treatment period. Additionally, the mother should be educated on maintaining good hand hygiene after changing the baby’s nappy and sterilizing any objects that the baby puts in their mouth, such as dummies and teats. This information is provided by NICE CKS.
Breastfeeding Problems and Their Management
Breastfeeding is a natural process, but it can come with its own set of challenges. Some of the minor problems that breastfeeding mothers may encounter include frequent feeding, nipple pain, blocked ducts, and nipple candidiasis. These issues can be managed by seeking advice on proper positioning, trying breast massage, and using appropriate medication.
Mastitis is a more serious problem that affects around 1 in 10 breastfeeding women. It is characterized by symptoms such as fever, nipple fissure, and persistent pain. Treatment involves the use of antibiotics, such as flucloxacillin, for 10-14 days. Breastfeeding or expressing milk should continue during treatment to prevent complications such as breast abscess.
Breast engorgement is another common problem that causes breast pain in breastfeeding women. It occurs in the first few days after birth and affects both breasts. Hand expression of milk can help relieve the discomfort of engorgement. Raynaud’s disease of the nipple is a less common problem that causes nipple pain and blanching. Treatment involves minimizing exposure to cold, using heat packs, and avoiding caffeine and smoking.
If a breastfed baby loses more than 10% of their birth weight in the first week of life, it may be a sign of poor weight gain. This should prompt consideration of the above breastfeeding problems and an expert review of feeding. Monitoring of weight should continue until weight gain is satisfactory.
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This question is part of the following fields:
- Reproductive Medicine
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Question 2
Correct
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The medical emergency team is called to an 85-year-old man who has fainted in the cardiology ward whilst visiting a relative. He has been moved to a trolley, where he appears confused and is complaining of dizziness. An A-E examination is performed:
A: Is the airway patent?
B: Is there any respiratory distress? Sats are 98% on air.
C: Is the radial pulse regular? The patient has cool peripheries, blood pressure of 85/55 mmHg, and heart sounds of 1 + 2 + 0.
D: What is the Glasgow Coma Scale (GCS) score? Are the pupils equal and reactive to light?
E: Is the temperature normal? No other findings are noted.
An ECG shows sinus bradycardia with a rate of 42 beats per minute. What is the immediate treatment for his bradycardia?Your Answer: Give 500 micrograms atropine
Explanation:For patients with bradycardia and signs of shock, the immediate treatment is 500 micrograms of atropine, which can be repeated up to a maximum of 3mg. This is in line with the Resuscitation Council Guidelines. It is important to identify the cause of the bradycardia and check for reversible causes, while also managing the bradycardia to prevent further deterioration and possible cardiac arrest.
It should be noted that 3mg of atropine is the maximum amount that can be given, not the starting dose. If there is an insufficient response to 500 micrograms of atropine, further doses can be given until a total of 3mg has been administered.
Administering 500ml of intravenous fluid stat may temporarily increase cardiac output, but it will not treat the bradycardia causing the patient’s shock.
Transcutaneous pacing is a method of temporarily pacing the heart in an emergency by delivering pulses of electric current through the chest. It may be used as an interim measure if treatment with atropine is unsuccessful, while awaiting the establishment of more permanent measures such as transvenous pacing or permanent pacemaker insertion.
Management of Bradycardia in Peri-Arrest Rhythms
The 2015 Resuscitation Council (UK) guidelines highlight the importance of identifying adverse signs and potential risk of asystole in the management of bradycardia in peri-arrest rhythms. Adverse signs indicating haemodynamic compromise include shock, syncope, myocardial ischaemia, and heart failure. Atropine (500 mcg IV) is the first line treatment in this situation. If there is an unsatisfactory response, interventions such as atropine (up to a maximum of 3mg), transcutaneous pacing, and isoprenaline/adrenaline infusion titrated to response may be used. Specialist help should be sought for consideration of transvenous pacing if there is no response to the above measures.
Furthermore, the presence of risk factors for asystole such as complete heart block with broad complex QRS, recent asystole, Mobitz type II AV block, and ventricular pause > 3 seconds should be considered. Even if there is a satisfactory response to atropine, specialist help is indicated to consider the need for transvenous pacing. Effective management of bradycardia in peri-arrest rhythms is crucial in preventing further deterioration and improving patient outcomes.
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This question is part of the following fields:
- Cardiovascular
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Question 3
Incorrect
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As a foundation doctor in general practice, you encounter a patient who is fifty-five years old and has a past medical history of prostatitis. He is interested in getting a prostate specific antigen test done due to his family's history of prostate cancer. What would be an appropriate time to conduct the test?
Your Answer: One week after his prostatitis diagnosis
Correct Answer: One month after his prostatitis diagnosis
Explanation:To prevent false results, it is recommended to refrain from conducting a prostate specific antigen test within a month of prostatitis. This is because prostatitis can cause an increase in PSA levels. It is important to note that a digital rectal examination cannot replace a PSA test. Additionally, if a patient is not experiencing any symptoms, conducting the test may lead to unnecessary investigations. It is also important to keep in mind that a normal PSA level does not necessarily rule out the possibility of prostate cancer.
Prostate specific antigen (PSA) is an enzyme produced by both normal and cancerous prostate cells. It is commonly used as a marker for prostate cancer, but its effectiveness as a screening tool is still debated. The NHS Prostate Cancer Risk Management Programme (PCRMP) has released guidelines for handling requests for PSA testing in asymptomatic men. While a recent European trial showed a reduction in prostate cancer deaths, it also revealed a high risk of over-diagnosis and over-treatment. As a result, the National Screening Committee has decided not to introduce a screening programme, but rather allow men to make an informed decision. The PCRMP recommends age-adjusted upper limits for PSA levels, while NICE Clinical Knowledge Summaries suggest a lower threshold for referral. PSA levels can also be raised by factors such as benign prostatic hyperplasia, prostatitis, and urinary tract infections.
The specificity and sensitivity of PSA testing are poor, with a significant number of men with elevated PSA levels not having prostate cancer, and some with normal PSA levels having the disease. Various methods are used to add meaning to PSA levels, including age-adjusted upper limits and monitoring changes in PSA levels over time. It is also debated whether digital rectal examination causes a rise in PSA levels. It is important to note that PSA testing should be postponed after certain events, such as ejaculation or instrumentation of the urinary tract.
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This question is part of the following fields:
- Renal Medicine/Urology
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Question 4
Correct
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A 47-year-old woman from Nigeria complains of fatigue, back pain and excessive thirst. Her ESR is elevated and she has normocytic/normochromic anemia.
What is the most probable diagnosis?Your Answer: Multiple myeloma
Explanation:Distinguishing Multiple Myeloma from Other Bone Diseases
Multiple Myeloma: A Malignant Disease of Plasma Cells
Multiple myeloma is a type of cancer that affects the plasma cells in the bone marrow. It is more common in black Africans and rare in Asians, with a median age of onset over 60. Patients may not show any symptoms and are often diagnosed through routine blood tests. However, they are more susceptible to infections and may have low white blood cell counts. Elevated levels of ESR and CRP are almost always present. Diagnosis is confirmed when two out of three of the following are present: paraproteinaemia or Bence Jones protein, radiological evidence of lytic bone lesions, and an increase in bone marrow plasma cells. Patients may experience bone pain, lethargy, thirst, and anaemia, which are all signs of multiple myeloma.
Calcium Pyrophosphate Arthropathy: Shedding of Crystals into Joints
Calcium pyrophosphate arthropathy, also known as pseudogout, is caused by the shedding of calcium pyrophosphate crystals into the joint. It typically presents as an acute-onset monoarticular arthritis, usually in the knee or wrist. The joint will be hot, red, tender, and swollen. Rhomboid-shaped crystals that are weakly positively birefringent under polarised light will be visible in synovial fluid.
Osteoporosis: Fragility Fractures
Osteoporosis is characterised by fragility fractures, such as vertebral crush fractures, Colles fractures, and fractures of the proximal femur. It is uncommon in men at this age, unless associated with hypogonadism. Anaemia and elevated ESR are not seen in osteoporosis.
Osteoarthritis: Joint Pain and Stiffness
Osteoarthritis presents with joint pain, stiffness, and reduced function. The weight-bearing joints, such as the hip and knee, and the small joints of the hand are commonly affected. Patients do not experience symptoms such as thirst and lethargy, which are due to hypercalcaemia. Blood biochemistry is normal in osteoarthritis.
Paget’s Disease of Bone: Bone Remodelling
Paget’s disease of the bone is rare in individuals under 40 years old. It is characterised by bone pain, deformity, fragility fractures, and complications from nerve compression
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This question is part of the following fields:
- Haematology/Oncology
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Question 5
Correct
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A 35-year-old woman visits her general practice surgery to discuss her plans to become pregnant. She is taking medication for hypertension but is otherwise fit and well. She has not had any previous pregnancies.
On examination, her blood pressure (BP) is 120/78 mmHg.
Which of the following drugs can this patient continue to take during pregnancy?Your Answer: Nifedipine
Explanation:Nifedipine is a medication that blocks calcium channels and is recommended as a second-line treatment for hypertension during pregnancy or pre-eclampsia if labetalol is not effective or well-tolerated. If a woman is already taking nifedipine and has good blood pressure control, it is advisable to continue this treatment throughout pregnancy, with regular monitoring of blood pressure. Women with chronic hypertension are at risk of developing pre-eclampsia and should take 75-150 mg aspirin daily from 12 weeks gestation.
Bendroflumethiazide and other thiazide diuretics should not be taken during pregnancy as they are associated with various adverse effects on the fetus. Beta-blockers, except for labetalol, increase the risk of intrauterine growth restriction, neonatal hypoglycemia, and bradycardia. Therefore, the use of any beta-blockers during pregnancy, except for labetalol, should be avoided. Angiotensin receptor blockers (ARBs) and angiotensin-converting enzyme (ACE) inhibitors are contraindicated in pregnancy as they can cause serious harm to the fetus. Women who become pregnant while taking ARBs or ACE inhibitors should stop taking them immediately and be prescribed a safer alternative antihypertensive medication.
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This question is part of the following fields:
- Cardiovascular
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Question 6
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A 45-year-old man who was previously healthy comes to the clinic complaining of increasing shortness of breath over the past four to five months. His father passed away a few years ago due to a lung disease. During the examination, the doctor notices an elevated jugular venous pressure and a palpable heave at the left sternal edge.
What is the most probable provisional diagnosis?Your Answer: Familial primary pulmonary hypertension
Explanation:Differential Diagnosis for Familial Primary Pulmonary Hypertension
Familial primary pulmonary hypertension is a rare condition that presents with breathlessness, fatigue, angina, or syncope. It has an autosomal dominant pattern of inheritance with incomplete penetrance and physical signs such as elevated JVP, left parasternal heave, pansystolic murmur, right ventricular S4, and peripheral edema. Without treatment, average survival is less than three years. While tricuspid regurgitation may be present, it is best explained in the context of a diagnosis of familial primary pulmonary hypertension. Chronic pulmonary thromboembolism is a more common differential diagnosis that should be considered. Constrictive pericarditis and pulmonary venous hypertension are unlikely diagnoses as they do not run in families. Clinical management requires a specialist with considerable expertise in the field.
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This question is part of the following fields:
- Cardiovascular
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Question 7
Correct
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A 65-year-old woman complains of abdominal bloating and is found to have shifting dullness on examination. What is a risk factor for ovarian cancer?
Your Answer: BRCA2 gene
Explanation:The risk factors for ovarian cancer are associated with a higher frequency of ovulations.
Ovarian cancer is a common malignancy in women, ranking fifth in frequency. It is most commonly diagnosed in women over the age of 60 and has a poor prognosis due to late detection. The majority of ovarian cancers, around 90%, are of epithelial origin, with serous carcinomas accounting for 70-80% of cases. Interestingly, recent research suggests that many ovarian cancers may actually originate in the distal end of the fallopian tube. Risk factors for ovarian cancer include a family history of BRCA1 or BRCA2 gene mutations, early menarche, late menopause, and nulliparity.
Clinical features of ovarian cancer are often vague and can include abdominal distension and bloating, abdominal and pelvic pain, urinary symptoms such as urgency, early satiety, and diarrhea. The initial diagnostic test recommended by NICE is a CA125 blood test, although this can also be elevated in other conditions such as endometriosis and benign ovarian cysts. If the CA125 level is raised, an urgent ultrasound scan of the abdomen and pelvis should be ordered. However, a CA125 test should not be used for screening asymptomatic women. Diagnosis of ovarian cancer is difficult and usually requires a diagnostic laparotomy.
Management of ovarian cancer typically involves a combination of surgery and platinum-based chemotherapy. Unfortunately, 80% of women have advanced disease at the time of diagnosis, leading to a 5-year survival rate of only 46%. It was previously thought that infertility treatment increased the risk of ovarian cancer due to increased ovulation, but recent evidence suggests that this is not a significant factor. In fact, the combined oral contraceptive pill and multiple pregnancies have been shown to reduce the risk of ovarian cancer by reducing the number of ovulations.
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This question is part of the following fields:
- Reproductive Medicine
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Question 8
Correct
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A 35-year-old female complains of abdominal discomfort accompanied by alternating episodes of constipation and diarrhea. What symptom is the least indicative of irritable bowel syndrome?
Your Answer: Waking at night due to the pain
Explanation:It is not typical for irritable bowel syndrome to cause pain that disrupts a patient’s sleep.
Diagnosis and Management of Irritable Bowel Syndrome
Irritable bowel syndrome (IBS) is a common gastrointestinal disorder that affects many people. In 2008, the National Institute for Health and Care Excellence (NICE) published clinical guidelines on the diagnosis and management of IBS. According to these guidelines, a positive diagnosis of IBS should be considered if the patient has had abdominal pain, bloating, or a change in bowel habit for at least six months. Additionally, a positive diagnosis should be made if the patient has abdominal pain relieved by defecation or associated with altered bowel frequency stool form, in addition to two of the following four symptoms: altered stool passage, abdominal bloating, symptoms made worse by eating, and passage of mucus. Other features such as lethargy, nausea, backache, and bladder symptoms may also support the diagnosis.
It is important to note that red flag features should be enquired about, including rectal bleeding, unexplained/unintentional weight loss, family history of bowel or ovarian cancer, and onset after 60 years of age. Primary care investigations such as a full blood count, ESR/CRP, and coeliac disease screen (tissue transglutaminase antibodies) are suggested. By following these guidelines, healthcare professionals can effectively diagnose and manage IBS in their patients.
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This question is part of the following fields:
- Gastroenterology/Nutrition
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Question 9
Incorrect
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A 40-year-old man comes to the emergency department after experiencing syncope. Upon conducting an ECG, it is found that he has sinus rhythm with a rate of 85 bpm. The QRS duration is 110 ms, PR interval is 180 ms, and corrected QT interval is 500ms. What is the reason for the abnormality observed on the ECG?
Your Answer: Hypercalcaemia
Correct Answer: Hypokalaemia
Explanation:Long QT syndrome can be caused by hypokalaemia, which is an electrolyte imbalance that leads to a prolonged corrected QT interval on an ECG. This condition is often seen in young people and can present as cardiac syncope, tachyarrhythmias, palpitations, or cardiac arrest. Long QT syndrome can be inherited or acquired, with hypokalaemia being one of the acquired causes. Other causes include medications, CNS lesions, malnutrition, and hypothermia. It’s important to note that hypercalcaemia is associated with a shortened QT interval, not a prolonged one.
Understanding Long QT Syndrome
Long QT syndrome (LQTS) is a genetic condition that causes delayed repolarization of the ventricles, which can lead to ventricular tachycardia and sudden death. The most common types of LQTS are caused by defects in the alpha subunit of the slow delayed rectifier potassium channel. A normal corrected QT interval is less than 430 ms in males and 450 ms in females.
There are various causes of a prolonged QT interval, including congenital factors, drugs, and other medical conditions. Some drugs that can prolong the QT interval include amiodarone, tricyclic antidepressants, and selective serotonin reuptake inhibitors. Electrolyte imbalances, acute myocardial infarction, and subarachnoid hemorrhage can also cause a prolonged QT interval.
LQTS may be picked up on routine ECG or following family screening. The symptoms and events associated with LQTS can vary depending on the type of LQTS. Long QT1 is usually associated with exertional syncope, while Long QT2 is often associated with syncope following emotional stress or exercise. Long QT3 events often occur at night or at rest.
Management of LQTS involves avoiding drugs that prolong the QT interval and other precipitants if appropriate. Beta-blockers may be used, and in high-risk cases, implantable cardioverter defibrillators may be necessary. It is important to recognize and manage LQTS to prevent sudden cardiac death.
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This question is part of the following fields:
- Cardiovascular
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Question 10
Incorrect
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A 54-year-old man with a history of alcoholic liver disease and cirrhosis is scheduled for an oesophago-gastro-duodenoscopy (OGD) to screen for oesophageal varices. The OGD reveals several high-risk varices, and medical prophylaxis is advised. What medication would be the best choice?
Your Answer: Terlipressin
Correct Answer: Propranolol
Explanation:Propranolol, a non-selective beta-blocker, is utilized for the prevention of oesophageal bleeding. Bisoprolol and metoprolol, both cardio-selective beta-blockers, are not as effective as propranolol for the extended management of varices. Terlipressin, a vasopressin analogue, is recommended for the immediate treatment of variceal bleeding.
Variceal haemorrhage is a serious condition that requires prompt management. The initial treatment involves resuscitation of the patient before endoscopy. Correcting clotting with FFP and vitamin K is important, as is the use of vasoactive agents such as terlipressin or octreotide. Prophylactic IV antibiotics are also recommended to reduce mortality in patients with liver cirrhosis. Endoscopic variceal band ligation is the preferred method of treatment, and the use of a Sengstaken-Blakemore tube or Transjugular Intrahepatic Portosystemic Shunt (TIPSS) may be necessary if bleeding cannot be controlled. Propranolol and EVL are effective in preventing rebleeding and mortality, and are recommended by NICE guidelines. Proton pump inhibitor cover is given to prevent EVL-induced ulceration.
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This question is part of the following fields:
- Gastroenterology/Nutrition
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