Dr. Jeffrey Kalei

Dr. Jeffrey Kalei

Author and illustrator for Hyperexcision. Interested in emergency room medicine. I have a passion for medical education and drawing.

Intravenous Anaesthetic Agents

Overview IV induction agents target GABA receptors (most common), NMDA receptors, and alpha-2 receptors to cause anaesthesia. Propofol and Barbiturates decrease the rate of dissociation of GABA from its receptors increasing the duration of chloride channel opening. Benzodiazepines facilitate the…

Meningitis in Children

Overview Meningitis is a life-threatening infection of the meninges. Acute bacterial meningitis: rapid onset of Sx, identified by routine laboratory techniques Chronic meningitis: ongoing Sx of meningitis for ≥ 4 weeks without clinical improvement Aseptic meningitis: Sx of meningitis without…

Malaria in Children

Overview Malaria is an infectious disease caused by Plasmodium spp. It is one of the leading causes of morbidity and mortality, particularly in children < 5yo in Kenya. Plasmodium falciparum is the MCC of malaria. A parasitological dx of malaria…

Paediatric Pneumonia

Bacterial Pneumonia

Pneumonia is still the leading killer of children worldwide (29% of pediatric deaths worldwide, 158 million cases per year; 3 million deaths per year). The death rates in underdeveloped countries is 2000x that of children in developed countries. Viral causes…

Bronchiolitis

Bronchiolitis

Bronchiolitis is an infectious, inflammatory process of the bronchioles. Primarily a disease of the very young (95% of cases occur in children < 2 years old). Always viral. Most commony caused by the Respiratory syncitial virus (RSV). Other causes include…

Upper Airway Disease in Children

Bacterial tracheitis on lateral neck X-ray

Overview Condition Pathogen Laryngitis Viral Laryngotracheobronchitis Parainfluenza virus Spasmodic croup Several viruses and allergic cause Epiglottitis Haemophilus influenza Type B; Gram + bacteria Bacterial tracheitis S. aureus Foreign body obstruction N/A (Foreign body) Laryngitis Inflammation of the larynx. Corynebacterium diphtheria…

Rickets

Metaphyseal cupping

Overview Rickets is an impairment of bone mineralization prior to epiphyseal closure. The most common cause of rickets is Vitamin D deficiency (does not occur naturally in foods, needs fortification/supplementation). Rickets manifests as skeletal malformations Vitamin D-related rickets Vitamin D…