Medical Science 2021 Paper II 50 marks Compulsory Discuss

Q1

(a) Discuss in brief the role of ultrasound in the investigation of pain in right hypochondrium. (10 marks) (b) Outline the pharmacological and non-pharmacological treatment of depressive disorders. (10 marks) (c) A neonate born at 30 weeks of gestation is found to have tachypnea, chest retractions and grunt within 30 minutes of birth. (i) What is the most likely diagnosis? Mention the basis of your diagnosis and state briefly the pathophysiology of the condition. (ii) Describe the management of this condition. (5+5=10 marks) (d) A 6-month-old infant attending paediatrics OPD is found to have central cyanosis, clubbing and no hepatomegaly. (i) What is the most likely cardiovascular condition? State its cardiovascular examination findings and accompanying haemodynamic changes. (ii) Write about the clinical course and complications related to this condition. (5+5=10 marks) (e) An adolescent girl fond of wearing artificial jewellery presented with itchy, papulo-vesicular skin lesions on the ears, wrists and neck. (i) What is the likely diagnosis? (ii) Name the gold standard test which you would use for the confirmation of diagnosis. (iii) How would you interpret the test results? (iv) State the complications of this test. (2+2+3+3=10 marks)

हिंदी में प्रश्न पढ़ें

(a) दक्षिण अधःपशुक प्रदेशीय वेदना की जाँच में अल्ट्रासाउंड की भूमिका की संक्षेप में चर्चा कीजिए। (10 अंक) (b) अवसादी विकारों के फार्माकोलॉजिकल एवं नॉन-फार्माकोलॉजिकल उपचार की रूपरेखा प्रस्तुत कीजिए। (10 अंक) (c) एक 30 सप्ताह की गर्भावस्था पर जन्मे नवजात में जन्म लेने के 30 मिनट के भीतर श्वासदीर्घता, वक्ष प्रतिगमन तथा ग्रंट के लक्षण पाए जाते हैं। (i) सर्वाधिक संभावित निदान क्या है? आपके इस निदान का क्या आधार है, उल्लेखित कीजिए तथा इस रुग्णता की विकृत-शरीर-क्रिया संक्षेप में बताइए। (ii) इस रुग्णता के प्रबंधन का वर्णन कीजिए। (5+5=10 अंक) (d) बालचिकित्सा ओ.पी.डी. में आए एक 6-माह के शिशु को केंद्रीय श्यावता (सेंट्रल सायनोसिस) और मुद्रागण (क्लबिंग) है। उसे यकृतवृद्धि नहीं है। (i) सर्वाधिक संभावित हृद्-वाहिकीय विकार कौन-सा है? हृद्-वाहिकीय जाँच करने पर इसमें क्या जानकारियाँ मिलेंगी और उसके साथ क्या-क्या रक्तगतिकी परिवर्तन होंगे? (ii) लिखिए कि इस रुग्णता का रोगलाक्षणिक क्रम क्या होगा और उससे संबंधित जटिलताएँ कौन-कौन सी हो सकती हैं। (5+5=10 अंक) (e) एक किशोरी कृत्रिम आभूषण पहनने का शौक रखती है। उसके कानों, कलाइयों तथा ग्रीवा की त्वचा पर कण्डूकारी पिटिकीय-जलस्फोट उभर आए हैं। (i) संभावित निदान क्या होगा? (ii) रोगनिदान की पुष्टि के लिए आप कौन-सी स्वर्ण मानक जाँच प्रयुक्त करेंगे, उसका नाम बताइए। (iii) जाँच परिणाम का अर्थनिर्णय आप कैसे निकालेंगे? (iv) इस जाँच से होने वाली जटिलताओं के बारे में बताइए। (2+2+3+3=10 अंक)

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Directive word: Discuss

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How this answer will be evaluated

Approach

Begin with a brief introduction acknowledging the diverse clinical scenarios across adult and paediatric medicine. For part (a), discuss ultrasound applications in right hypochondrial pain with specific organ-wise approach; for (b), outline depression treatment with balanced pharmacological and non-pharmacological coverage; for (c), diagnose neonatal respiratory distress syndrome with clear pathophysiology and stepwise NICU management; for (d), identify tetralogy of Fallot with characteristic examination findings and natural history; for (e), diagnose allergic contact dermatitis to nickel with patch testing interpretation and complications. Allocate approximately 15% to (a), 15% to (b), 20% to (c), 20% to (d), and 30% to (e) given its four sub-parts, ensuring each sub-part receives proportional attention within its section.

Key points expected

  • (a) Ultrasound in right hypochondrial pain: gallbladder pathology (cholelithiasis, cholecystitis, CBD stones), liver assessment (hepatomegaly, abscess, mass), renal/ureteric evaluation, and limitations of ultrasound
  • (b) Depression treatment: SSRIs/SNRIs/TCAs/MAOIs with examples, ECT indications, CBT/interpersonal therapy, and lifestyle modifications
  • (c)(i) Diagnosis of respiratory distress syndrome (RDS): basis of prematurity, surfactant deficiency, pathophysiology of alveolar collapse and V/Q mismatch
  • (c)(ii) RDS management: surfactant replacement therapy, CPAP/mechanical ventilation, temperature control, and supportive care
  • (d)(i) Tetralogy of Fallot: cyanotic CHD with pulmonary stenosis, VSD, overriding aorta, RVH; ejection systolic murmur, single S2, and right-to-left shunt physiology
  • (d)(ii) Clinical course: hypercyanotic spells, squatting, iron deficiency, infective endocarditis risk, and need for corrective surgery
  • (e)(i-iii) Allergic contact dermatitis to nickel: patch test as gold standard, positive reaction interpretation (erythema, papules, vesicles at 48-96 hours), and grading system
  • (e)(iv) Patch test complications: active sensitization, irritant reactions, persistent hyperpigmentation/hypopigmentation, and anaphylactoid reactions

Evaluation rubric

DimensionWeightMax marksExcellentAveragePoor
Concept correctness20%10Demonstrates precise knowledge across all sub-parts: accurate ultrasound indications for hepatobiliary and renal pathology; correct antidepressant classes with mechanisms; accurate RDS pathophysiology linking surfactant deficiency to clinical features; correct TOF anatomy with haemodynamics; and accurate patch test methodology with interpretation criteriaShows generally correct concepts with minor errors: some ultrasound applications mentioned but incomplete; antidepressant classes listed without mechanisms; basic RDS understanding but incomplete pathophysiology; TOF diagnosis correct but haemodynamics unclear; patch test named but interpretation vagueMajor conceptual errors: wrong imaging modality for (a); incorrect drug classes for depression; wrong diagnosis for neonate (e.g., sepsis instead of RDS); wrong cardiac diagnosis (e.g., VSD alone); or wrong test for contact dermatitis (e.g., IgE testing)
Clinical correlation20%10Strong clinical reasoning throughout: for (a) correlates specific ultrasound findings with clinical presentations; for (b) links severity to treatment selection; for (c) connects gestational age, risk factors and clinical progression; for (d) explains why clubbing develops without hepatomegaly in cyanotic CHD; for (e) identifies nickel exposure source and distribution patternSome clinical correlation present but superficial: mentions ultrasound utility without specific findings; lists treatments without severity-based selection; notes prematurity without risk stratification; identifies cyanosis without explaining chronicity; recognizes jewellery exposure without pattern analysisLacks clinical correlation: describes ultrasound physics without clinical application; lists drugs without indication context; provides textbook RDS description without clinical context; describes murmur without physiological significance; or describes rash without exposure correlation
Diagram / pathway20%10Includes relevant diagrams or flowcharts: ultrasound probe positions for right hypochondrial scanning; treatment algorithm for depression with stepped care; surfactant synthesis pathway or alveolar diagram showing RDS pathophysiology; TOF schematic with haemodynamic arrows; or patch test application diagram with reaction grading chartMentions diagrams but descriptions only: describes ultrasound views textually; outlines treatment steps without visual algorithm; describes RDS changes without alveolar diagram; describes TOF anatomy without schematic; or describes patch test without visual representationNo diagrams or pathways attempted: purely textual answer without any visual element descriptions; or incorrect diagrams described (e.g., normal heart anatomy for TOF)
Differential / staging20%10Comprehensive differentials and classifications: for (a) distinguishes biliary from renal/pleuritic causes; for (b) includes depression severity staging and treatment-resistant depression; for (c) differentiates RDS from TTN, sepsis, and congenital pneumonia with distinguishing features; for (d) differentiates TOF from other cyanotic CHD (TGA, tricuspid atresia, TAPVC); for (e) distinguishes ACD from ICD and atopic dermatitisLimited differential consideration: brief mention of alternative diagnoses without distinguishing features; depression severity mentioned without staging; RDS mentioned as diagnosis without alternatives; TOF identified without other cyanotic CHD consideration; or ACD identified without differentialNo differential approach: single diagnosis for each scenario without consideration of alternatives; or incorrect differentials that mislead clinical reasoning
Management / public-health angle20%10Evidence-based, comprehensive management: for (a) includes FAST protocol and referral criteria; for (b) includes NIMHANS/AIIMS guidelines and suicide prevention; for (c) includes INSURE technique, caffeine citrate, and antenatal corticosteroid prophylaxis mention; for (d) includes spell management, palliative shunts, and total correction timing; for (e) includes allergen avoidance strategies and topical calcineurin inhibitorsStandard management without depth: basic ultrasound reporting; standard drug doses without monitoring; basic RDS management without surfactant administration details; standard medical therapy for spells without surgical planning; or basic topical steroids without avoidance strategiesInadequate or dangerous management: misses critical interventions (e.g., no surfactant for RDS, no prostaglandins for ductal-dependent lesions); or suggests inappropriate treatments (e.g., beta-blockers for TOF spells, oral steroids for patch test reactions)

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