πŸ“š Clinical Reference Library

Evidence-based Critical Care Medicine & Emergency Medicine β€” Marino 5th Ed (2025), Washington Manual, Irwin & Rippe, SSC 2026, GINA/GOLD 2026, KDIGO 2026, ESC, AHA/ACC. Pathophysiology, drug doses, clinical pearls, exam prep.

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πŸ’‰ Anaesthesiology 6
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πŸ“– Sources: Marino 5th Ed Ch.8–17 (2025) Β· Washington Manual 4th Ed Β· SSC 2026 (Prescott et al., Crit Care Med 2026) Β· ISCCM 2020 Β· ESICM

CCM Β· EM
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Shock β€” Classification & Approach
The 4 types (hypovolaemic, cardiogenic, distributive, obstructive), haemodynamic profiles at a glance, RUSH exam (Pump/Tank/Pipes), MAP & lactate targets, matching treatment to mechanism.
4 Types ✦RUSHTargets
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CCM
πŸ“ˆ
Haemodynamic Monitoring & Fluid Responsiveness
Why CVP fails, dynamic indices (PPV/SVV), passive leg raise, fluid challenge, ScvOβ‚‚ & lactate, the fluid-responsiveness concept (Frank–Starling), when to STOP fluids.
PLR / PPV ✦Fluid Responsiveness
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CCM Β· EM
🦠
Sepsis & Septic Shock
SSC 2026 changes β€” MAP targets for elderly, extended infusion beta-lactams, crystalloids over albumin. Hour-1 bundle, vasopressor algorithm, antibiotics.
SSC 2026 ✦ISCCMVasopressors
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CCM Β· EM
πŸ’Š
Vasopressor Dilution Guide
Ampoule compositions, dilution protocols, dose tables for 50–80 kg, IBW formula, infusion rate calculations for every vasopressor and inotrope.
Ampoule GuideIBWDose Tables
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CCM
⚑
Vasopressors & Inotropes β€” Clinical
Receptor pharmacology, shock classification, septic/cardiogenic shock algorithms. SOAP II, VASST, SEPSISPAM, ATHOS-3 trials.
ShockHaemodynamicsTrials
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CCM Β· EM
πŸ’‰
Hypertensive Emergency
Emergency vs urgency. Scenario-specific BP targets (dissection, ICH, stroke, eclampsia). IV drugs. ESC/ESH 2023. No sublingual nifedipine.
ESC/ESH 2023IV DrugsEclampsia
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CCM Β· EM
πŸš‘
Anaphylaxis (Distributive Shock)
WAO 2020 / RCUK 2021 criteria, IM adrenaline first-line, supine positioning, aggressive fluids for distributive shock, refractory anaphylaxis adrenaline infusion.
RCUK 2021 ✦IM AdrenalineRefractory
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πŸ“– Sources: Marino 5th Ed Ch.23–30 (2025) Β· ARDSNet ARMA Β· PROSEVA Β· GINA 2026 Β· GOLD 2026 Β· ESC 2019 PE Β· ATS/ESICM

CCM
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NIV, HFNC & Ventilator Liberation
Hypoxaemic vs hypercapnic failure, when NIV/CPAP/HFNC work and when they fail, FLORALI, the ROX index, spontaneous breathing trials, RSBI and safe extubation.
ROX Index ✦FLORALISBT
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CCM
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ARDS & Lung-Protective Ventilation
2023 Global ARDS definition, ARDSNet protocol (6 ml/kg PBW), prone positioning (PROSEVA, NNT=6), HFNO, NMB, VV-ECMO criteria.
2023 DefinitionProningESICM
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CCM
βš™οΈ
Mechanical Ventilation β€” Complete Guide
All modes explained, initial settings, IBW/Vt calculations, PEEP tables, auto-PEEP, DOPE mnemonic, weaning (SBT), extubation criteria, NIV.
ModesWeaningNIV
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CCM
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Ventilator Weaning & Extubation
Readiness criteria, the spontaneous breathing trial, RSBI, the wake-and-breathe (SAT+SBT) strategy, the cuff-leak test, post-extubation NIV/HFNC, and the causes of weaning failure.
SBT · RSBI ✦Cuff-leakWIND
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CCM Β· EM
🫁
Pulmonary Embolism & VTE
ESC 2019 risk stratification (massive/submassive/low), sPESI, RV strain on echo, thrombolysis criteria (PEITHO), catheter-directed therapy, DVT prophylaxis.
ESC 2019 ✦ThrombolysissPESI
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CCM Β· EM
πŸ’¨
Acute Severe Asthma
GINA 2026: Oβ‚‚ target 92–95% (not 100%), conservative SABA dosing, ICS-formoterol in ED. RSI with ketamine, I:E 1:3–1:5, auto-PEEP management.
GINA 2026 ✦Status Asthmaticus
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CCM Β· EM
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COPD Exacerbation
GOLD 2026: 1 moderate exacerbation = escalate. NIV first-line, controlled Oβ‚‚ 88–92%, 5-day steroids, antibiotic indications.
GOLD 2026 ✦NIVControlled Oβ‚‚
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CCM
🦠
Pneumonia, HAP & VAP
IDSA/ATS 2016: HCAP abolished, 7-day duration, CPIS scoring. VAP prevention bundle. Indian MDR antibiotics (XDR Acinetobacter, colistin).
IDSA/ATS 2016VAP BundleMDR India
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CCM Β· EM
🫁
Difficult Airway Management
DAS 2025 & AIDAA 2025 β€” Plan A–D, peroxygenation, "Code D", non-hierarchical rescue, prediction (LEMON/MACOCHA), and complete-ventilation-failure β†’ surgical cricothyroidotomy.
DAS/AIDAA 2025 ✦Code DCICO
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CCM Β· EM
🩸
Massive Haemoptysis
Patients drown rather than exsanguinate β€” airway first, bleeding lung down, isolate the good lung, then CT angiography and bronchial artery embolisation. TB-heavy Indian aetiology.
Airway First ✦Bronchial ArteryEmbolise
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CCM Β· EM
🫁
Pneumothorax & Chest Drain Management
Tension pneumothorax as a clinical (not radiological) diagnosis needing immediate decompression, the ventilated-patient risk, safe-triangle drain insertion, and reading the underwater seal (bubbling, swinging, air leak).
Decompress First ✦Safe TriangleAir Leak
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πŸ“– Sources: Marino 5th Ed Ch.15,18–21 (2025) Β· ACC/AHA/ACEP 2025 Β· AHA/ACC 2023 AF Β· ESC 2024 Β· ACLS 2020

CCM Β· EM
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Cardiogenic Shock & Acute Heart Failure
SCAI SHOCK stages, the shock spiral, perfusion/congestion phenotypes, noradrenaline-first vasoactive strategy, and mechanical support β€” DanGer Shock, IABP-SHOCK II, ECLS-SHOCK.
DanGer 2024 ✦SCAI A–EMCS
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CCM Β· EM
❀️
Acute Coronary Syndromes
STEMI door-to-balloon <90 min, fibrinolysis doses by weight, NSTEMI GRACE stratification, antiplatelet/anticoagulation guide, cardiogenic shock.
ACC/AHA 2025 ✦STEMINSTEMI
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CCM Β· EM
πŸ’”
Acute Chest Pain β€” ED Approach
The six killers (ACS, dissection, PE, tension pneumothorax, tamponade, Boerhaave), ECG in 10 min, hs-troponin 0/1h, HEART score risk stratification & safe disposition.
HEART Score ✦ESC 20236 Killers
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CCM Β· EM
😡
Syncope β€” Risk Stratification
Reflex vs orthostatic vs cardiac, red flags, the dangerous ECGs (long QT, Brugada, WPW, AV block, HCM), Canadian Syncope Risk Score, syncope vs seizure, disposition.
ESC 2018 ✦Dangerous ECGsRisk Score
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CCM Β· EM
πŸ’“
Atrial Fibrillation & Tachyarrhythmias
Stable vs unstable, ACLS synchronised cardioversion, AF rate vs rhythm control, new-onset AF in sepsis, narrow/wide complex SVT/VT, torsades, anticoagulation.
AHA/ACC 2023 ✦CardioversionACLS
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CCM
πŸ’Š
Cardiogenic Shock & Inotropes
Dobutamine vs levosimendan, NE + dobutamine combination, mechanical circulatory support (IABP, Impella, VA-ECMO). IABP-SHOCK II trial.
Cardiogenic ShockMCSECMO
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CCM Β· EM
πŸ’‰
Hypertensive Emergency
Aortic dissection (Ξ²-blocker before vasodilator), eclampsia MgSOβ‚„, ICH targets (INTERACT-2), IV drug reference table. ESC/ESH 2023.
ESC/ESH 2023DissectionEclampsia
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CCM Β· EM
❀️
ACLS & BLS β€” Cardiac Arrest
High-quality CPR, the adult cardiac arrest algorithm (shockable vs non-shockable), drug doses & timing, defibrillation, Hs & Ts, peri-arrest brady/tachy, and what changed since AHA 2020.
AHA 2020+ ✦CPR · DefibHs & Ts
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CCM Β· EM
❀️
Post-Cardiac Arrest Care & ROSC
AHA 2025: fever avoidance ≀37.5Β°C (NOT routine hypothermia β€” TTM2). No routine immediate coronary angio without STEMI. Neuroprognostication at β‰₯72h.
AHA 2025 ✦TTM2Neuroprognostication
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CCM Β· EM
🌑️
Targeted Temperature Management
Post-arrest temperature control: HACA β†’ TTM β†’ TTM2 evidence, the induction/maintenance/rewarming phases, cooling methods, systemic effects, shivering control and multimodal neuroprognostication.
TTM2 2021 ✦Fever preventionRewarming
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CCM Β· EM
πŸ«€
Cardiac Tamponade & Pericardial Disease
Obstructive shock from outside the heart β€” Beck's triad, pulsus paradoxus, the echo signs (diastolic RV collapse, IVC plethora), why volume buys time and PEEP/vasodilators kill, and pericardiocentesis.
Echo Signs ✦Pulsus ParadoxusDrain
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CCM Β· EM
🩻
Acute Aortic Syndromes β€” Dissection
Stanford A (surgery) vs B (medical), impulse control (Ξ²-block the rate first, then drop the pressure), CT-angiography, and the malperfusion & rupture complications.
Rate then Pressure ✦Type A = TheatreMalperfusion
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CCM
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Pulmonary Hypertension & Acute RV Failure
Breaking the RV death spiral β€” optimise preload (usually diurese), perfuse the RV (noradrenaline/vasopressin), reduce afterload (avoid hypoxia/hypercapnia/acidosis, inhaled vasodilators), and why intubation is so dangerous.
3 Levers ✦Perfuse the RVInhaled NO
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πŸ“– Sources: Marino 5th Ed Ch.31–38 (2025) Β· KDIGO 2026 (Public Review Draft) Β· ADQI 2023 Β· Washington Manual Β· pairs with the ABG Analyser tool

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πŸ“– Sources: Marino 5th Ed Ch.45–47 (2025) Β· BTF 2023 Β· NCS 2024 Β· AHA/ASA 2022–2023 Β· Tintinalli's Emergency Medicine

CCM Β· EM
🧠
Head Injury & TBI
BTF 2023: SBP β‰₯110 mmHg (NOT 90). Steroids CONTRAINDICATED (CRASH). ICP management, mannitol vs HTS, surgical indications. Levetiracetam over phenytoin.
BTF 2023 ✦ICPNeuroprotection
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CCM Β· EM
⚑
Status Epilepticus
NCS 2024: 5-minute definition. RAMPART (IM midazolam = IV lorazepam). ESETT (LEV=VPA=Fosphenytoin). Refractory SE β€” burst suppression.
NCS 2024 ✦Time-CriticalEEG
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CCM Β· EM
🧠
Acute Ischaemic Stroke
Time is brain β€” NIHSS, non-contrast CT, thrombolysis (alteplase/tenecteplase ≀4.5h), thrombectomy windows (DAWN/DEFUSE-3 to 24h), BP targets, exclusions, mimics, posterior stroke.
AHA/ASA 2019 ✦ThrombolysisThrombectomy
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CCM Β· EM
⚑
Thunderclap Headache & SAH
Dangerous secondary headaches (SNNOOP10), Ottawa SAH rule, CT <6h sensitivity + LP xanthochromia, aneurysm securing, nimodipine, rebleeding & delayed cerebral ischaemia.
AHA/ASA 2023 ✦Ottawa RuleNimodipine
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CCM
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Brain (Brainstem) Death Determination
Prerequisites & confounders, brainstem reflex testing, the apnoea test, ancillary tests, the Indian THOTA legal framework & Form 10 board, and donor optimisation.
THOTA ✦Apnoea TestDonation
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CCM
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Neurocritical Care
ICP management, ischaemic & haemorrhagic stroke, brain death criteria. AHA/ASA, NCS guidelines with drug doses and clinical decision algorithms.
StrokeAHA/ASABrain Death
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CCM
πŸ’ͺ
ICU-Acquired Weakness & Neuromuscular Emergencies
Weakness acquired in the ICU (CIP/CIM β€” prevention & mobilisation) vs the neuromuscular emergencies that come IN β€” Guillain-BarrΓ© and myasthenic crisis: intubate on FVC trend not the blood gas, IVIg or plasma exchange.
20/30/40 Rule ✦GBSMyasthenia
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CCM Β· EM
🌑️
Hyperthermia Syndromes β€” NMS, Serotonin & MH
Telling the drug-induced hyperthermias apart at the bedside (onset, rigidity, reflexes, the drug) and their specific antidotes β€” dantrolene, bromocriptine, cyproheptadine β€” plus aggressive cooling.
Antidotes ✦DantroleneCool
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πŸ“– Sources: Tintinalli's Emergency Medicine 9th Ed Β· Rosen's Emergency Medicine 10th Ed Β· ATLS 10th Ed Β· WAO/RCUK Β· National Snakebite Management Protocol Β· ICMR/NCVBDC Β· Wilderness Medical Society

EM
🚨
Acute ED Emergencies β€” Indian Context
ABCDE framework, RUSH shock protocol, acute dyspnoea/chest pain/coma approach, anaphylaxis, poisoning (OP/ALP), tropical fever (malaria, dengue, scrub typhus).
Emergency Med ✦Indian ContextRUSH
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CCM Β· EM
🀰
Obstetric Critical Care
Pregnancy physiology & recalibrated values, pre-eclampsia/eclampsia & MgSOβ‚„, HELLP, major PPH (4 Ts + TXA, WOMAN trial), amniotic fluid embolism, peripartum cardiomyopathy, maternal arrest & perimortem caesarean.
MgSOβ‚„ Β· TXA ✦EclampsiaPerimortem C-section
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CCM Β· EM
❀️
ACLS & BLS β€” Cardiac Arrest
High-quality CPR, cardiac arrest algorithm, defibrillation & drug timing, Hs & Ts, peri-arrest brady/tachy, and AHA 2020β†’latest changes (DSED, early adrenaline, naloxone, TTM).
AHA 2020+ ✦CPR · ACLSBLS
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CCM Β· EM
🫁
Difficult Airway Management
DAS 2025 & AIDAA 2025 β€” Plan A–D, peroxygenation, "Code D" airway emergency, non-hierarchical rescue, RSI drugs, and the surgical cricothyroidotomy.
DAS/AIDAA 2025 ✦Code DCICO
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CCM Β· EM
πŸš‘
Anaphylaxis
WAO 2020 / RCUK 2021 criteria, IM adrenaline 0.5 mg first-line, positioning (supine β€” sitting up kills), refractory anaphylaxis infusions, biphasic reactions, Ξ²-blocked patients (glucagon).
RCUK 2021 ✦IM AdrenalineTintinalli's
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CCM Β· EM
πŸš‘
Trauma β€” Primary Survey & Resuscitation
ATLS C-ABCDE primary survey, damage control resuscitation, permissive hypotension, massive transfusion 1:1:1, TXA (CRASH-2/3), FAST, tension pneumothorax, pelvic binder.
ATLS 10th ✦Damage ControlRosen's
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CCM Β· EM
🐍
Snakebite & Envenomation
India's Big Four, 20-minute whole blood clotting test, ASV dosing (same in children), neurotoxic vs haemotoxic syndromes, neostigmine trial, ASV reactions, AKI.
National Protocol ✦20-WBCTASV
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CCM Β· EM
🌑️
Environmental Emergencies
Heat stroke (cool first, target 39Β°C, no antipyretics), accidental hypothermia rewarming ("not dead until warm and dead"), drowning, electrical & lightning injury.
WMS ✦Heat StrokeHypothermia
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CCM Β· EM
🌑️
Acute Undifferentiated Febrile Illness
Tropical fever approach β€” dengue (warning signs, fluid management), severe malaria (IV artesunate), scrub typhus (eschar, doxycycline), leptospirosis, empirical therapy.
ICMR ✦Dengue · MalariaScrub Typhus
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CCM Β· EM
☠️
Acute Poisoning β€” Toxidromes & Antidotes
General approach to the poisoned patient: the 5 toxidromes, decontamination (charcoal), enhanced elimination (dialysable toxins), antidote quick-reference, Indian poisons (OP, aluminium phosphide, paraquat).
Toxidromes ✦AntidotesIndia
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CCM Β· EM
πŸ§ͺ
Toxic Alcohol Poisoning
Methanol & ethylene glycol: the metabolism you block, the osmolar-gap-to-anion-gap crossover, visual vs renal toxidromes, and management with fomepizole/ethanol, cofactors and haemodialysis.
Fomepizole ✦Osmolar gapDialysis
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πŸ“– Sources: Marino 5th Ed Ch.29,41–42 (2025) Β· SSC 2026 Β· IDSA/ATS 2016 Β· ISCCM 2020 Β· WHO India

CCM Β· EM
🧠
CNS Infections β€” Meningitis & Encephalitis
Bacterial meningitis vs HSV encephalitis, when to CT before LP, CSF interpretation, first-hour empirical antibiotics + aciclovir, and dexamethasone timing.
First-Hour Rx ✦CSFDexamethasone
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CCM Β· EM
🦠
Sepsis β€” Antimicrobial Strategy
SSC 2026: extended infusion beta-lactams now STRONG. De-escalation STRONG. No anaerobic coverage without risk factors. Indian MDR regimens.
SSC 2026 ✦AntibioticsDe-escalation
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CCM
🫁
Pneumonia, HAP & VAP
IDSA/ATS 2016: HCAP abolished, 7-day duration, VAP prevention bundle. Indian XDR organisms β€” colistin + meropenem protocols. MRSA β€” linezolid vs vancomycin.
IDSA/ATS 2016VAP PreventionXDR India
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CCM Β· EM
☠️
Toxicology in the ICU
OP poisoning (atropine titration, pralidoxime), paracetamol (NAC), antidote quick reference, dialysable toxins. Indian context β€” ALP, snake bite.
AntidotesOP PoisoningIndia
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CCM Β· EM
🌑️
Acute Undifferentiated Febrile Illness
Tropical fever approach β€” dengue, severe malaria (IV artesunate), scrub typhus (eschar, doxycycline), leptospirosis, enteric fever, empirical therapy for the sick AUFI patient.
ICMR ✦Dengue · MalariaScrub Typhus
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CCM Β· EM
🐍
Snakebite & Envenomation
India's Big Four, 20-WBCT, polyvalent ASV dosing, neurotoxic vs haemotoxic syndromes, neostigmine trial, ASV anaphylaxis, Russell's viper AKI.
National Protocol ✦20-WBCTASV
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πŸ“– Sources: Marino 5th Ed Ch.36–38 (2025) Β· AABB 2023 Β· ISTH/BSH Β· TRICC/TRISS/PROPPR Β· CRASH-2 Β· Washington Manual

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πŸ“– Sources: Marino 5th Ed Ch.6,39–40,48–51 (2025) Β· PADIS 2018 Β· ASPEN/ESPEN 2022–2023 Β· APASL 2019

CCM
🧠
ICU Delirium
Acute brain failure: subtypes, RASS β†’ CAM-ICU / ICDSC screening, the reversible-cause hunt, PADIS-based prevention (ABCDEF bundle, light sedation, avoid benzodiazepines) and management.
PADIS 2018 ✦CAM-ICUABCDEF
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CCM
πŸ”„
ECMO β€” VA & VV Support
VV vs VA, indications (EOLIA/CESAR), the sweep-vs-flow physiology, cannulation, anticoagulation, differential hypoxia (Harlequin), LV distension, complications & weaning.
ELSO 2021 ✦EOLIAWeaning
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CCM
πŸ’‰
Sedation, Analgesia & Delirium
PADIS 2018: ABCDEF bundle, eCASH, RASS/CPOT scoring, drug comparison (propofol vs dexmedetomidine vs midazolam), CAM-ICU, delirium management.
PADIS 2018RASSCAM-ICU
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CCM
πŸ₯£
Nutrition in Critical Illness
ASPEN/ESPEN 2022 targets, early enteral nutrition, when to start parenteral (EPaNIC), refeeding syndrome, protein 1.2–2.0 g/kg, gastric residual volumes, NUTRIREA.
ASPEN 2022 ✦RefeedingEnteral
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CCM
🍽️
Refeeding Syndrome
The insulin-driven electrolyte shift on reintroducing feed: NICE risk criteria, the hallmark hypophosphataemia (Β± hypoK/hypoMg), thiamine-first prevention, start-low-go-slow protocol and management.
NICE ✦HypophosphataemiaThiamine
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CCM
πŸ«€
Acute Liver Failure
King's College Criteria, hepatic encephalopathy grading, coagulopathy management (no routine FFP), cerebral oedema, AKI in ALF, transplant indications.
APASL 2019KCCTransplant
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CCM
🫁
Oxygen Delivery & Tissue Oxygenation
The physiology behind all of shock β€” DOβ‚‚ = CO Γ— CaOβ‚‚, the DOβ‚‚/VOβ‚‚ relationship and critical oxygen delivery, and the bedside markers of an oxygen debt: lactate, ScvOβ‚‚ and the veno-arterial COβ‚‚ gap.
DOβ‚‚/VOβ‚‚ ✦Lactate Β· ScvOβ‚‚COβ‚‚ Gap
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πŸ“– Sources: Marino 5th Ed (2025) Β· ASGE 2021 Β· ACG Pancreatitis 2013 Β· Revised Atlanta 2012 Β· ESPEN 2020 Β· WATERFALL Trial 2022

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πŸ“– Sources: ADA Standards of Care 2024 Β· Joint British DKA Guidelines 2023 Β· Endocrine Society Β· Marino 5th Ed (2025) Β· Washington Manual Critical Care 4th Ed

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