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Category: <span>Anesthesia</span>

Home > Archive by category "Category: <span>Anesthesia</span>"

Labour Analgesia

Posted on October 15, 2017October 16, 2017 by Dr.Nagesh
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Analgesia for normal labor and delivery Introduction: The experience of child birth ranges from agony to ecstasy. One of the most thrilling and gratifying experience in mother life will be the birth of her child. Labour pain rank among the most intense pain, as recorded on McGill pain questionnaire 1 and it is typically worse […]

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Venous Air Embolism

Posted on August 28, 2017August 28, 2017 by Dr.Nagesh
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Venous Air Embolism in Neuro Surgery (VAE) Rate of occurrence of VAE depand on Procedure Intra-operative Position Method of detection Associated – principally hazard of post. fossa procedures Surgery → performed in sitting position and upper cervical spine Can occur with supratentorial procedures like facine menigiomas encroaching post. half of sagital sinus, craniosynostosis. Pin sites […]

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Intracranial Aneurysms

Posted on August 28, 2017 by Dr.Nagesh
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Contemporary management of intracranial aneurysm after Sub arachnoid haemorrhage (SAH) calls for early intervention Early – within 72 hrs of SAH Ultra early → within 18 hrs of SAH Intervention applied to I to IV grades of “world federation of neurosurgeons SAH scale”( WFNS) or I to III of “hunt –Hess classification” WFNS classification → […]

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Effects of Anaesthetic agents on cerebral physiology

Posted on August 28, 2017August 31, 2017 by Dr.Nagesh
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Effects of Anaesthetic agents on cerebral Physiology Most general anaesthetics have favourable effect on the CNS by reducing electrical Activity Carbohydrate metabolism energy stores in the form of ATP, phosphocreatine & ADP ↑ Effect of specific agent is complicated by concomitant administration of other drugs and ➤ Surgical stimulation ➤ Intracranial compliance ➤ BP ➤ […]

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Anatomy of Heart

Posted on June 30, 2017August 2, 2017 by Dr.Ajita A
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Anatomy of heart- Four chambers 1.Rt.atrium 2.Rt.ventricle 3.Lt.atrium 4.Lt.ventricle Two great arteries- 1.Aorta 2.Pulmonary arteries Pericardium. 1.Parietal 2.Visceral Chambers are as following- Right  atrium : Chamber receives systemic venous drainage through SVC and IVC Coronary venous drainage through coronary sinus Important characteristics for identification: Limbus for fossa ovalis Wide based blunt ended Right sided atrial […]

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Myocardial Revascularisation

Posted on June 29, 2017August 2, 2017 by Dr.Ajita A
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 Defination: The restoration of an adequate blood supply to a part of heart by means of a blood vessel graft [ aortocoronary bypass] or stenting the plaque site.  Anatomy of coronary arteries: Aortic root- Aortic root contains 3 cusps – Rt.coronary,Lt.coronary and non-coronary from first two cusps respective coronary arteries arises. Coronary arterial circulation- Rt coronary artery Arises from Rt sinus of valsalva of aortic root. Best seen in Lt anterior oblique view […]

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Mitral Valve and Pathology

Posted on June 28, 2017August 2, 2017 by Dr.Ajita A
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Mitral Stenosis [MS] ☛ Etiology – congenital / Acquired [adult ] ☛ Congenital MS is very rare .Associated with other anomalies as shave’s complex ☛ Acquired – Moss common is Rheumatic heart disease ☛ 25% rheumatic heart disease pure MS. ☛ 40% have MS with MR. ☛ 10% have pure MR. Rare causes are Systemic […]

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Pressure volume loop in valvular heart disease

Posted on June 27, 2017August 5, 2017 by Dr.Ajita A
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Aortic Regurgitation   As ventricle relaxes blood from aortic flow back into ventricle so no true isovolumetric relaxation,so ventricle gets filled before mitral valve opens,throughout diastole ventricle gets filled from aorta so end diastolic volume is increased as shown in PV loop By chronic dilatation of ventricle EDV increases No true isovolumetric contraction as blood […]

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Peripheral Signs of AR

Posted on June 26, 2017August 2, 2017 by Dr.Ajita A
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Classical signs for severe aortic regurgitation are as follows- 1.WIDE PULSE PRESSURE ☛ Mild 40-60 mmHg ☛ Moderate 60-80 mmHg ☛ Severe > 80 mmHg 2.HILLS SIGN ☛ difference between systolic BP in LL & UL ☛ Mild AR- 20-40 mmHg ☛ Mod- 40-60 mmHg ☛ Sev- >60 mmHg 3.ALFRED DE MUSET SIGN ☛ Oscillation […]

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IPC-Ischemic Preconditioning

Posted on June 25, 2017September 2, 2017 by Dr.Ajita A
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Ischemic preconditioning:  Inhalational and  opiod induced ischemic preconditioning as following Defn: Ischaemic preconditioning involves – brief period of (1 to 4sec.)occlusion of artery & the same period of reperfusion before performing the anastomosis. Ischaemic preconditioning can be done, By surgeons occluding the artery before starting the actual anastomosis. Inhalational anaesthetics are also proved to be […]

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