Named after: German Surgeon August Bier (first introduced the block in 1908) Definition: It is a peripheral intravenous local anesthetic block (IVRA; Intravenous Regional Anesthesia)…
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Anesthesia
Bier Block
Atropine Induced Paradoxical Bradycardia
Atropine induced paradoxical bradycardia is the sinus bradyarrhythmia following low-dose atropine resulting from the paradoxical slowing in the sinoatrial (SA) node discharge rate. Mechanism of…
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Perioperative Management of Venous thromboembolism (VTE)
Recommended duration of anticoagulant prophylaxis The recommendations are as follows: 1. Provoked DVT (with reversible surgical or nonsurgical provoking factor): 3 months 2. Unprovoked isolated distal DVT (has…
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Preoperative Cardiac Evaluation in Non-cardiac Surgery : Mnemonic
Besides, for the emergency/urgent surgeries, one needs to evaluate 4 variables in the preoperative cardiac evaluation of the patient for the non-cardiac surgery. We have…
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Oxygen Hemoglobin Dissociation Curve : Mnemonic
The oxygen hemoglobin dissociation curve is sigmoidal in shape because the binding of 1st oxygen molecule is difficult, however once bound, they facilitate the binding…
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Opioid Adverse Effects – Mnemonic
Mnemonic: MORPHINES 1. Miosis Mechanism: Stimulation of Edinger-Westphal nucleus of Cranial nerve III 2. Orthostatic hypotension Mechanism: Vasodilation due to – Direct action decreasing tone…
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Tourniquet Paralysis Syndrome
Synonym: Pressure paralysis Mechanism: Direct extrinsic pressure (displacement of ranvier node) or axonal hypoxia on the nerves beneath the tourniquet and are related to the…
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Nerve fibers – Classification
Nerve fibers can be classified as A, B and C and A type fibers can be further classified into alpha, beta, gamma and delta. The…
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