Classify sympathetic and parasympathetic nervous system and enumerate the distribution site and test for their functions of autonomic test in MD anaesthesia ppt
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ANS Autonomic Testing MD Anaesthesia
Presentation · PPTX
What's inside (13 slides)
| Slide | Content |
|---|---|
| 1 | Title slide — colour-coded, lecture outline |
| 2 | ANS Classification — SNS vs PNS vs ENS features, divergence ratios, neurotransmitters |
| 3 | Sympathetic Division — Thoracolumbar outflow, paravertebral & prevertebral ganglia, full distribution table (T1→L2) |
| 4 | Parasympathetic Division — Cranial outflow (CN III/VII/IX/X) table + Sacral S2–S4 pelvic splanchnic nerves |
| 5 | Comparative effects on effector organs (15 organ systems, receptor subtypes for each) |
| 6 | Neurotransmitters & Receptors — ACh/NE pathways, α₁/α₂/β₁/β₂/β₃ and M₁–M₅ subtypes |
| 7 | Autonomic Function Tests — Overview (CV tests / Sudomotor / Other) |
| 8 | CV Tests – Parasympathetic arm: HRV-Deep Breathing, Valsalva Ratio, 30:15 Ratio (method, measure, normal/abnormal, clinical relevance) |
| 9 | CV Tests – Sympathetic arm: Orthostatic BP, Tilt Table (HUT), Cold Pressor, Handgrip |
| 10 | Sudomotor Tests (QSART, TST, SSR) + Adrenergic tests (plasma catecholamines, pupillometry, gastric scintigraphy) |
| 11 | Autonomic Testing in Anaesthetic Practice — risk table (OH, gastroparesis, DAN, desflurane sympathetic surge) |
| 12 | Ewing's Battery of 5 Tests — 3 PNS + 2 SNS with Normal / Borderline / Abnormal cut-offs and DAN scoring |
| 13 | Summary & Key Points + source citations |
Sources: Barash Clinical Anesthesia 9e · Harrison's Principles of Internal Medicine 22E · Guyton & Hall Medical Physiology · Lippincott Illustrated Pharmacology · Ewing DJ et al. 1985
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ANS Autonomic Testing MD Anaesthesia
Presentation · PPTX
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Posterior cranial fossa surgery in MD anaesthesia ppt
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PCF Surgery MD Anaesthesia
Presentation · PPTX
Slide-by-slide breakdown (12 slides)
| # | Slide | Key Content |
|---|---|---|
| 1 | Title | Topic, dept, full lecture outline |
| 2 | Anatomy of the PCF | Bony boundaries, foramina, neural structures, common pathologies (tumours, vascular, CN disorders, CSF lesions) |
| 3 | Pre-operative Assessment | CT/MRI review, ICP status, PFO screening, airway (cervical stenosis, aspiration risk), medications |
| 4 | Patient Positioning | Sitting vs Prone vs Lateral — advantages, hazards, indications, contraindications |
| 5 | Venous Air Embolism (VAE) | Pathophysiology, monitoring sensitivity ladder (TEE → Doppler → ETCO₂ → BP), step-by-step acute management |
| 6 | PAE, Right Heart Catheter & Pneumocephalus | PFO risk, PEEP avoidance, RHC positioning technique (biphasic P-wave ECG method), N₂O in pneumocephalus |
| 7 | Intraoperative Monitoring | Standard + posterior fossa-specific (Doppler, TEE, BAEP, EMG CN VII, EVD); neuromonitoring table; BP transducer zeroing |
| 8 | Anaesthetic Technique | Pre-induction → Induction → Maintenance (TIVA preferred, avoid N₂O/desflurane, fluid management) |
| 9 | Brainstem Stimulation | 4 cardiovascular response types (bradycardia/hypotension, TCR, sympathetic surge, dysrhythmias) — mechanism, location, management |
| 10 | Emergence & Post-op Care | Smooth emergence goals, extubation criteria, macroglossia, quadriplegia, delayed awakening, ICU monitoring |
| 11 | Special Procedures | Acoustic neuroma (CN VII EMG), MVD/Jannetta (TCR, VAE risk), Chiari malformation decompression |
| 12 | Summary | 8-point grid of all key concepts for exam revision |
Sources: Miller's Anesthesia 10e (Ch. 53) · Morgan & Mikhail 7e (Ch. 27) · Barash Clinical Anesthesia 9e
Myasthenia Gravis patient posted for thymectomy surgery -anaesthetic considerations, complications, icu care and perioperative management in MD anesthesia ppt
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MG Thymectomy MD Anaesthesia
Presentation · PPTX
Slide-by-slide breakdown (11 slides)
| # | Slide | Key Content |
|---|---|---|
| 1 | Title | Topic, dept, full lecture outline |
| 2 | Pathophysiology & Classification | Anti-AChR antibodies, thymus role, Modified Osserman Classification (I–V) with prognosis colour-coded |
| 3 | Clinical Features, Diagnosis & Medical Management | Ocular/bulbar/limb/respiratory features; Edrophonium test, SFEMG, anti-AChR serology; drug treatment table (pyridostigmine, steroids, azathioprine, IVIG/pheresis) |
| 4 | Drugs Worsening MG & Pre-op Optimisation | Complete drug contraindication list (antibiotics, CV, CNS, Mg); Leventhal criteria for predicting post-op ventilation; plasmapheresis/IVIG timing; PFT targets |
| 5 | Anaesthetic Technique | Premedication → Induction (avoid NMBs; rocuronium at 10–20% dose) → Maintenance (TIVA preferred; avoid N₂O; quantitative TOF mandatory; sugammadex reversal) |
| 6 | Surgical Approaches & Airway | Median sternotomy / VATS / RATS / Transcervical — pros, cons, airway requirement; OLV with DLT; SVC syndrome management; extubation prerequisites |
| 7 | Myasthenic vs Cholinergic Crisis | Full comparison table — cause, SLUDGE features, fasciculations, Tensilon test, treatment. Warning: stop AChEI if equivocal |
| 8 | Intraoperative Complications | Prolonged NMB, haemodynamic instability (SVC compression), phrenic nerve injury, pneumothorax — prevention & management |
| 9 | Emergence & Extubation Criteria | 8-point extubation checklist; Leventhal 5 predictors; 4-tier post-op respiratory algorithm (no risk → crisis) |
| 10 | ICU Care & Post-op Management | Ventilator weaning; pyridostigmine restart protocol; IVIG/pheresis for crisis; drug avoidance; nutrition; DVT prophylaxis; discharge planning |
| 11 | Summary | 8-point exam revision grid covering all key topics |
Sources: Morgan & Mikhail 7e · Miller's Anesthesia 10e · Bradley & Daroff Neurology · Fishman's Pulmonary Diseases
Make a post-operative weaning protocol document for MG patients
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Valid DOCX (26 internal files, correct structure). Your document is ready:
MG Postop Weaning Protocol
Word Document · DOCX
Document structure (14 sections, ~35 pages)
| Section | Content |
|---|---|
| Cover page | Protocol title, dept, document reference (ICU-MG-WEAN-001), version, disclaimer |
| 1. Purpose & Scope | Indications: post-thymectomy, myasthenic/cholinergic crisis, any surgery in MG |
| 2. Background | Pathophysiology; Leventhal Criteria table (5 predictors with thresholds) |
| 3. ICU Admission | Handover checklist; ventilator initiation mode table (4 scenarios: no risk → severe crisis) |
| 4. Medications | Pyridostigmine restart protocol (IV dose = 1/30th oral, titration steps); immunosuppression; IVIG/plasmapheresis indications; full drugs-to-AVOID table (6 categories) |
| 5. Daily Weaning Assessment | 25-item pre-SBT checklist across 6 domains (respiratory, neuromuscular, bulbar, haemodynamic, metabolic, pyridostigmine) |
| 6. Spontaneous Breathing Trial | PS-based vs T-piece; 2-hour SBT mandatory (MG fatigue pattern); monitoring frequency table; failure criteria |
| 7. Extubation Criteria | 15-criterion table; timing (morning only); HFNO post-extubation; drugs at bedside; post-extubation monitoring |
| 8. Post-Extubation Management | Hourly protocol table; NIV bridge (BiPAP settings and weaning); re-intubation criteria table (9 triggers) |
| 9. Weaning Failure & Crisis | Definition of weaning failure; Myasthenic vs Cholinergic Crisis comparison table (10 features); 6-step failure management algorithm |
| 10. Tracheostomy | 4 indications with thresholds; post-tracheostomy weaning; capping trials; decannulation criteria |
| 11. Physiotherapy & Nutrition | Cough assist device; incentive spirometry protocol; early enteral feeding; SLP-guided swallowing; oral transition |
| 12. Documentation | Daily ICU documentation requirements; communication checklist; pharmacist medication reconciliation |
| 13. ICU Discharge Criteria | 8-domain discharge table; step-down to HDU/neurology ward criteria |
| 14. References | 9 key references including Leventhal 1980, MGTX Trial (Wolfe 2016), Blichfeldt-Lauridsen 2012 |
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MG Postop Weaning Protocol
Word Document · DOCX
If the download still isn't working, let me know what you're seeing (blank file, error message, etc.) and I'll troubleshoot specifically.
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