Author: udimdennis

  • What you need to know about pediatric anesthesia

    udimdennis

    Respiratory & anatomical features of neonates & infants Neonates & infants have weaker intercoastal muscles & diaphragms with less efficient ventilation, more horizontal & pliable ribs, & protuberant abdomens. Their alveoli are completely mature by 8yrs & RR falls to adult values by adolescence. The presence of increased airway resistance increases the work of breathing… Read more

  • How to manage central nervous system infections in the ICU

    udimdennis

    Empiric management of bacterial meningitis The completion of empiric treatment should occur when CSF lab reports and clinical presentations are in line with the diagnosis. Treatment may last from 7-14d depending on the pathogen & clinical response. In immunocompetent adults <50y, S. pneumoniae & N. meningitidis are the most common causes of community-acquired bacterial meningitis.… Read more

  • Do you want to know the Great techniques of laryngeal mask insertion & ET intubation?

    udimdennis

    LMA insertion technique Preparation for direct laryngoscopy Technique for orotracheal intubation Alternatives to difficult intubation: reposition the patient; indirect laryngoscopy; FOB; using a stylet or bougie; selecting a different blade; attempting nasal intubation; emergency supraglottic airway; awake intubation; jet ventilation through percutaneous tracheal catheter; retrograde intubation; cricothyrotomy & tracheostomy. Technique for nasotracheal intubation Preparation and… Read more

  • The most important depolarizing & non-depolarizing muscle relaxants

    udimdennis

    Succinylcholine This is a depolarizing muscle relaxant with about 45s onset of action and an action duration of < 10 min. Few doses are required to attain therapeutic effects (small Vd), and it undergoes metabolism by pseudocholinesterase into succinylmonocholine. Useful for rapid sequence intubation with intravenous adult dose as 0.5-1.5mg/kg. In children dose is usually… Read more

  • The structure and disorders of the lungs

    udimdennis

    Introduction The lungs function to allow gaseous exchange between the inspired air and blood. The right main stem bronchus is vertical and corresponds with the trachea, and also branches to form the three lobes. Therefore, aspiration of blood, vomitus, and foreign objects usually go into the right lung. The left main stem bronchus forms 2… Read more

  • Disorders of the heart and blood vessels

    udimdennis

    Introduction part 1 The homo sapiens heart pumps over 5 liters of blood per minute to meet the body’s need. However, abnormal changes in their structure may lead to disturbing physiological consequences. Cardiovascular disease reduces life expectancy and increases health cost, & is the number one cause of worldwide death. The overall weight of the… Read more

  • Disorders of the peripheral nerve and skeletal muscle

    udimdennis

    Introduction The spinal nerves are peripheral nerves, which compose of both motor and sensory nerve fibers that exit the spinal canal through the interverbal foramen. A single Schwann cell wraps a neuronal axon segment to form a myelin sheath.  The neuromuscular motor unit is a combination of peripheral motor neurons with their axons & innervated… Read more

  • The disorders of the eye

    udimdennis

    Introduction The eye is a delicate organ of the body, whose continuous normal function enables a better quality of life. While minor diseases that affect the eyes reduce the quality of life, other severe diseases may produce a more lethal condition. Here are some of the disorders of the eye: Proptosis This is the displacement… Read more

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