Create a perfect diagrammatic ppt and in a systemic way to explain it All content only from actual textbook of surgery ( ajay gupta) SLIDE 15 :-- INDICATION ; The T10 Boundary ( Obst and gynae Urology Lower limb Anorectal / perineal analgaria ) These represent diagrammatic SLIDE 16 :-- ABSOLUTE CONTRADICTION :-- Hard stops contradiction PATHOLOGICAL MECHANISM , CATASTROPIC RISK. Bleeding disorder Hypervolumic inc.intracranial pressure AS/MS sever fixed Cardiac output lession Also include : -- patient refusal Local infection Infection site SLIDE 17 :-- RELATIVE CONTRADICTION PROCEED WITH CAUTION Sepsis ( sever spinal deformities ) ,pre - existing neurological deficit ( uncooperative patient ) SLIDE 18 DRUGS LIGNOCAINE SLIDE 19 :--BUPIVACAINE 0-----------------0 datawise scale of 0.5 % of bupivacaine and 5% lignocaine Conc. 0.5 % and dextrose 8% ( hyperbaric ) Key drivers Favourable sensory block profile and suprior safety margin mention SLIDE 20 :"__ spinal agents fact sheet -------- SLIDE 21 :-- PROCEDURE OF S.A SLIDE 22 :-- PATIENT POSITIONING : MECHANISM OF ACCESS SITTING POSITION (figure ) Mechanism Clinical use Obies patient / hyperbaric Soln -for sadle blocks LATERAL DECUBITUS POSITION (figure ) Mechanism - side leying fetal position with knees to chest SLIDE 23 :-THE PHYSICS OF BARICITY DENSITY Vs CSF ( FIGURE ) Label in diagram hyperbaric , isobaric and hypobaric SLIDE 24 :-- FLUID MECHANISM CONCENTRATION Hyperbaric Isobaric Hypobaric with examples SLIDE 25 ;-- PHYSIOLOGICAL CHANGE AND COMPLICATION IN CVS ( Figure and diagrammatic explain ) SLIDE 26:-- IN NERVOUS SYSTEM (CNS Vs PNS ) SLIDE 27 ;-- RESPIRATORY SYSTEM (High phrenic nerve origin spare the ...........) SLIDE 28 :-- GIT (Unopposed vagal tone drives GI hypermotlity and nausea The autonomic shift Clinical features Physiological effect ) SLIDE 29 :-- Genito- Urinary system (urinary retension) SLIDE 30 :- HYPOTENSION is the primary hemodynamic threat. (Gradually down graphic representation of eg. 1 prophylaxus -1.5 of crystalloid , 2 positioning , 3 fluid 4 vasopressure , 5 isotropes ) SLIDE 31 :- conditions of bradychardia VS condition of cardiac arrest represtation on figure with their action drugs and action like PCR and more SLIDE 32 :- MULTI -MODAL MANAGEMENT OF INTRAOPERATIVE SHIVERING ( Respiratory support , thermal reguklation, pharmacvoplogy like petnidine , termadol etc ) SLIDE 33:- NAVIGATION RARE BUT CRITICAL ACCIDENTAL EMERGENCY ( LAST ,LOCAL ANESTHESIA , SYSTEMIC TOXICITY , BROKEN NIDDLE , COMPLICATION ) SLIDE 34 :- POSTOPERATIVE COMPLICATION SPAM UROLOGICAL TO NEUROLOGICAL SYSTEM ( The representation like demographic of 1 neurotoxic , 2 mechanism and pressure ( PDPH ), and cervical nerve paralysis ,3 inf. And traumatic , like paraplegia and meningitis , 4 urological like urine retension ) SLIDE 35 :- CLINICAL SIGN OF PDPH SLIDE 36 :- NEEDLE GAUGE AND DETERMINE PRESENTATION SLIDE 37 :- PREVENT BA