PI Exam — Slot Architecture

Feb 14, 2026 | 9 Validated Slots + 1 Pseudo-slot | Taxonomy: Knowledge-Type Discriminator
89% PI NOVELTY — The setter will almost certainly ask something not in our room list
48
PI Rooms Covered
90
PI Rooms Known
53%
Known Coverage
89%
Novelty Threat
14
Graded Topics
7.3
Mean Grade
Grade Distribution (Scored Topics Only)
0
<5
0
5-5.9
3
6-6.9
7
7-7.9
4
8-8.9
0
9+
6-6.9: OP Poisoning (6.5), Cardiac Conduction (6.5), Uric Acid (6.5) · 7-7.9: HypoK (7), HyperK (7), Iron (7), Ca²⁺ (7), Metformin (7), Nephron (7.5), B12 (7.5) · 8-8.9: Septic Shock (8), Met Alk (8), Syst Sclerosis (8), Vit D (8.5)
Paper I — 9 Validated Slots + 1 Pseudo-slot expand all
01 · NUTRITION / VITAMIN
P=1.00 17/27 known · 5/5 sessions
BOUNDARY: Is a dietary substrate (vitamin, mineral, macronutrient, dietary pattern) the primary subject?
89% novelty → expect a vitamin/mineral never asked in PI. Wildcard pool is your insurance.
GRADED (8)
B12 7.5 B6+INH 7.5 Vitamin D 8.5 Vitamin A 7.5 Vitamin K 8 Iron/Heme 7 TPN 8.5 Refeeding Syndrome 8.5
COVERED — NOT GRADED (5)
Vitamin C Nutritional Neuropathy 7 Malabsorption Tests Thiamine/B1 (Blueprint) Vitamin E (Minimal)
SUPPRESSED (2)
B3/Niacin ×0.10 (Sep25) B9/Folate ×0.25 (Jan25)
KNOWN GAPS — HIGH/MEDIUM (5)
Mediterranean Diet Iodine Zinc PEM (Kwashiorkor/Marasmus) Obesity/BMI
KNOWN GAPS — LOW (7)
Selenium Chromium Omega-3/6 Enteral Nutrition ICMR RDA/Fluorosis Copper (nutrition angle) Manganese
WILDCARD — NEVER LISTED, CURRICULUM-VALID (10)
Biotin (carboxylase, egg white injury) Carnitine (fatty acid shuttle, dialysis) Choline (neural tube, fatty liver) Molybdenum (sulfite oxidase) Fluoride (fluorosis belt, India) Nutrition in CKD (phosphate binders) Nutrition in Pregnancy (ICMR) Nutrition in Critical Illness Microbiome–Nutrition Axis Vitamin Toxicity (A, D, E, K)
02 · ANATOMY / PHYSIOLOGY
P=1.00 5/9 known · 5/5 sessions
BOUNDARY: Does the answer require spatial/structural/functional anatomy knowledge or a diagram?
89% novelty → any body structure is a candidate. Diagram questions favor this slot.
GRADED (2)
Cardiac Conduction 6.5 Nephron/Renal Physiology 7.5
COVERED (3)
Coronary Circulation Spinal Cord Tracts Portal System (Partial)
SUPPRESSED (2)
Cerebral Circulation ×0.10 (Sep25) Temperature Regulation ×0.10 (Sep25)
KNOWN GAPS (2)
Neuroanatomy — Functional Localization GI Arterial Supply
WILDCARD (12)
Brachial Plexus Circle of Willis (standalone) Cavernous Sinus Cranial Nerves (diagram) Lymphatic System / Thoracic Duct Liver Segments (Couinaud) Bronchopulmonary Segments Thyroid/Parathyroid Anatomy Adrenal Gland Zones Autonomic Nervous System Dermatomes CSF Circulation/Ventricles
03 · PHARMACOLOGY
P=1.00 6/10 known · 5/5 sessions
BOUNDARY: Is a drug name or drug class the primary subject?
GRADED (2)
ACE Inhibitors Strong Metformin 7
COVERED (4)
ARNi (Sacubitril-Valsartan) SGLT2 Inhibitors Diuretics (embedded in nephron) Spironolactone (embedded)
SUPPRESSED (2)
Antiarrhythmics ×0.10 (Sep25) Bedaquiline ×0.25 (Jan25)
KNOWN GAPS (3)
Anticonvulsants Immunosuppressants Newer Anti-TB (Delamanid)
WILDCARD (14)
Monoclonal Antibodies (-mab/-nib) DOACs (vs Warfarin, reversal) Biologics (TNF-α, IL-6) Opioid Pharmacology Antifungals (Azoles, AmB) Insulin Types (rapid→degludec) Antiplatelet Agents (P2Y12) Statins (pleiotropic, myopathy) Corticosteroid Pharmacology CYP450 / Drug Interactions Beta-Blockers CCBs (DHP vs Non-DHP) Aminoglycosides Pharmacokinetics (Vd, CL, t½)
04 · PATHOPHYSIOLOGY
P=0.80 4/8 known · 3/5 sessions
BOUNDARY: Is the answer about HOW a disease process works at cellular/molecular level (not management)?
GRADED (2)
Septic Shock (PI angle) 8 Uric Acid Metabolism 6.5
COVERED (3)
Atherosclerosis RAAS Pathophysiology DM Pathophysiology (unconfirmed)
KNOWN GAPS (3)
Bilirubin Metabolism Hepatic Encephalopathy Thyroid Pathophysiology
KNOWN GAPS — LOW (1)
Heme Synthesis / Porphyria
WILDCARD (8)
Hemostasis Cascade Complement System Apoptosis vs Necrosis Amyloidosis (pathogenesis) Shock — Cardiogenic vs Distributive Pulmonary Hypertension Mechanism Autoimmunity (tolerance breakdown) Tumor Immunology / Immune Evasion
05 · PARASITOLOGY / LIFECYCLE
P=0.75 5/8 known · 3/5 sessions
BOUNDARY: Does the answer require lifecycle/organism biology knowledge?
COVERED (HTML LIFECYCLES) (5)
Strongyloides (hyperinfection) Leishmania Wuchereria Schistosoma DIMAOE Framework
SUPPRESSED (2)
Echinococcus ×0.25 (Jan25) Taenia Solium ×0.10 (Sep25)
LOW PRIORITY (1)
Plasmodium (2022, ×0.10)
WILDCARD (10)
Ascaris lumbricoides Hookworm (Ancylostoma/Necator) Trichuris trichiura Toxoplasma gondii Entamoeba histolytica Giardia lamblia Cryptosporidium Dracunculus (guinea worm) Trichinella spiralis Cysticercosis (NCC — Indian context)
06 · ELECTROLYTE
P=0.50 5/6 known · 2/5 sessions
BOUNDARY: Is a specific ion (K⁺, Na⁺, Ca²⁺, Mg²⁺, PO₄³⁻) the primary subject?
GRADED (4)
Hypokalemia 7 Hyperkalemia 7 Calcium Metabolism 7 →Nutr,Pathophys Metabolic Alkalosis 8 →Acid-Base
COVERED (2)
Hyponatremia / SIADH Drug-Induced Dyselectrolytemia
GAPS (1)
Magnesium (standalone)
WILDCARD (5)
Phosphate Disorders Hypernatremia Hypercalcemia (malignancy) Hypokalemia vs Bartter vs Gitelman Electrolytes in CKD
07 · ACID-BASE
P=0.50 3/5 known · 2/5 sessions
BOUNDARY: Does the answer require Henderson-Hasselbalch, anion gap math, or pH/buffer reasoning?
COVERED (3)
HAGMA (ungraded) RTA Types 1, 2, 4 Euglycemic DKA (embedded)
GAPS (2)
Respiratory Acid-Base Mixed Disorders
WILDCARD (5)
Normal Anion Gap Metabolic Acidosis (NAGMA) Lactic Acidosis (Type A vs B) ABG Interpretation (systematic) Urinary Anion Gap Acid-Base in CKD
08 · INVESTIGATION
P=0.60 1/5 known · 3/5 sessions
BOUNDARY: Is the answer about THE TEST itself (how it works, interpretation) — not the disease?
COVERED (1)
PFTs (HTML drill, untested)
SUPPRESSED (1)
CBNAAT ×0.25 (Jan25)
GAPS (3)
Bone Marrow Studies LN Biopsy Flow Cytometry
WILDCARD (10)
Immunofluorescence (direct/indirect) ELISA / Western Blot PCR / RT-PCR Serum Protein Electrophoresis Autoantibody Panel Interpretation HLA Typing Tumor Markers Echocardiography (technique) Urinalysis (systematic) Pleural Fluid Analysis (Light's)
09 · POISONING
P=0.40 1/7 known · 2/5 sessions
BOUNDARY: Is a toxin/poison the primary subject?
GRADED (1)
OP Poisoning 6.5
EMBEDDED (1)
Lithium Toxicity (NDI mechanism)
SUPPRESSED (1)
Paracetamol ×0.10 (Sep25)
GAPS (3)
Snake Venom (coastal Karnataka) Copper / Wilson's Disease Scorpion Sting
WILDCARD (8)
Methanol / Ethylene Glycol Carbon Monoxide Cyanide Lead Poisoning Arsenic Mercury Mushroom Poisoning (Amanita) Oleander / Plant Poisoning (India)
10 · GENETICS / PROGRAMME PSEUDO-SLOT
P=0.20-0.30 1/6 known · 1/5 sessions
⚠ NO FORMAL BOUNDARY TEST — catch-all for topics failing all 9 tests above. Fails recurrence criterion (1/5). Treat as low-probability junk drawer.
COVERED (1)
Gene Therapy (ungraded)
SUPPRESSED (2)
Biomedical Waste ×0.10 (Sep25) NACP ×0.10 (Sep25)
GAPS (3)
Clinical Trials Pharmacogenomics Hypersensitivity Reactions
WILDCARD (6)
CRISPR/Gene Editing Stem Cell Therapy National Health Mission Bioethics (consent, DNR) Precision Medicine CAR-T Cell Therapy
Papers II, III, IV — Flat List (Slot Taxonomy Not Validated)
# Topic Grade Source Status Paper
22Stroke — Acute Ischemic, First 24h, Mimics, Secondary PreventionTracker✅ CompletePII
23Lupus Nephritis (PII angle)Tracker✅ CompletePII
24SLE — Diagnosis & TherapeuticsChatGPT✅ Ladder softPII
25HIV-associated TuberculosisTracker✅ CompletePII
26Henoch-Schönlein Purpura / IgA VasculitisTracker✅ CompletePII
27Vasculitis ClassificationTracker✅ CompletePII
28Guillain-Barré SyndromeTracker✅ CompletePII
29OsteoporosisTracker✅ CompletePII
30Hypersensitivity Pneumonitis / Eosinophilic PneumoniaTracker✅ CompletePII
31Congestive Heart Failure (PI/PII)Tracker✅ CompletePII
32Heart Failure — HFrEFTracker✅ CompletePIII
33Heart Failure — HFpEFTracker✅ CompletePIII
34Acute PancreatitisTracker✅ CompletePIII
35Autoimmune HepatitisTracker✅ CompletePIII
36Lupus Nephritis (PIII angle)Tracker✅ CompletePIII
37ILD / DPLDTracker✅ CompletePIII
38Inflammatory MyopathiesTracker✅ CompletePIII
39Paraneoplastic SyndromesTracker✅ CompletePIII
40Subclinical AtherosclerosisTracker✅ CompletePIII
41AKITracker✅ CompletePIII
42Tropical SprueTracker✅ CompletePIII
43IBSTracker✅ CompletePIII
44Septic Shock — Therapeutic Strategies (PIII)Tracker✅ CompletePIII
45Short Bowel SyndromeTracker✅ CompletePIII
46ADA 2023 Diabetes MellitusTracker✅ CompletePIV
47AUC / Clinical TrialsTracker✅ CompletePIV
48ESC 2022 HypertensionTracker✅ CompletePIV
49Bempedoic AcidTracker✅ CompletePIV
50NintedanibTracker✅ CompletePIV
51Chikungunya ArthritisTracker✅ CompletePIV
52DementiaTracker✅ CompletePIV
53Hypertensive EmergenciesTracker✅ CompletePIV
54Carcinoid SyndromeTracker✅ CompletePIV
55Mucormycosis (I,II,III,IV)Tracker✅ CompleteCross
56Systemic Sclerosis8/10ChatGPT✅ GradedCross
57Metabolic Alkalosis8/10ChatGPT✅ GradedCross
58Genetics / Pharmacogenomics BlueprintClaude✅ Blueprint v2Cross
59Calcium Metabolism7/10Claude✅ GradedCross
60Rheumatoid ArthritisChatGPT⚠️ PartialUnclear
61Antiphospholipid SyndromeChatGPT⚠️ PartialUnclear
62CardiomyopathiesChatGPT⚠️ PartialUnclear
63Bilirubin MetabolismChatGPT⚠️ PartialUnclear
Recurring Error Patterns
PatternExampleFix
Direction InversionsConn's K⁺ direction, DCT Ca²⁺, V2 mechanismDescribe FUNCTION first, then state direction
Opposite SubstitutionMumps↔measles, parafollicular↔chief, ROMK↔"RMPK4"If 50/50 unsure → describe function, skip name
Tail Mark DropsForgets treatment para, Indian context, modern concepts"Did I cover: treatment? Indian? What's new?"
Over-Elaboration"Hydralation" when correct = "hydrazone"Describe function if unsure of term
Cross-ContaminationUsing Term A vocabulary in Topic BKeep terminology siloed during recall
LEGEND: Graded Covered Embedded Blueprint Gap-High Gap-Med Gap-Low Suppressed Wildcard Partial

TAXONOMY: Slots discriminate by knowledge type tested. Boundary test assigns any topic to exactly one primary slot. Bleed tags (→) show cross-slot mark earning. Wildcard = curriculum-valid topic never listed in our tracker, never asked in PI.

PSEUDO-SLOT: Genetics/Programme fails recurrence (1/5 sessions) and boundary test criteria. Included at reduced confidence.