Critical Care
Fixed Performance Equipment (High Flow) Air-entrainment Venturi masks: The gas delivery approach with air-entrainment masks is different than with oxygen reservoirs in that it is an open system with high…
ANESTHESIA
Cardiovascular Monitoring
(Reproduced with permission from Shah N, Bedford RF: Invasive and noninvasive blood pressuring monitoring. In: Clinical Monitoring: Practical Applications in Anesthesia and Critical Care Medicine. Lake CL, Hines RL, Blitt…
Respiratory Physiology and Anesthesia
• Lung compliance is influenced by a variety of factors, including lung volume, pulmonary blood volume, extravascular lung water, and pathological processes such as inflammation and fibrosis. (Reproduced, with permission,…
Obstetric Anesthesia
Preoperative considerations: All patients are considered to have full stomachs. These patients are also usually allowed to have small amounts of clear liquids during labor. For elective cesarean sections, patients…
Cholinesterase Inhibitors and Other Pharmacologic Antagonists to Neuromuscular Blocking Agents
ACh degradation: ACh is hydrolyzed by the enzyme acetycholinesterase into acetate and choline. The two receptors types are nicotinic and muscarinic. Nicotinic receptors stimulate autonomic ganglia and skeletal muscle….
Airway Management
1. Sensory innervation: The trigeminal nerve divisions innervate the nose. The lingual nerve (branch of trigeminal nerve V3) and glossopharyngeal nerve provide sensation to the anterior two-thirds and posterior…
Geriatric Anesthesia
Elderly patients have a high incidence of diastolic dysfunction. Diastolic dysfunction prevents the ventricle from relaxing and consequently creates higher pressures during diastolic ventricular filling, this leading to lower…
Maternal and Fetal Physiology and Anesthesia
Central Nervous System • The minimal alveolar concentration (MAC) decreases by up to 40% at term and returns to normal by the third day after delivery. Respiratory System •…
Anesthesia for Patients with Kidney Disease
General Surgery Acute Kidney Injury Risk Index Risk Factors General Surgery Acute Kidney Injury Risk Index classes based on number of risk factors present: class I (0–2 risk factors), class…
Anesthetic Complications
(Reproduced, with permission, from Katzung BG [editor]: Basic & Clinical Pharmacology, 8th ed. McGraw-Hill, 2001.) Immediate Hypersensitivity Clinical Manifestations • Atopic: Affects the skin and respiratory tract ° Allergic rhinitis,…
