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.

Neonatal Resuscitation

Neonates delivered with apnoea require resuscitation. Effective resuscitation can prevent most neonatal deaths at birth. The first 60 seconds are the most critical (golden minute) – positive pressure ventilation should be started during this period. Definition of terms Term Definition…

APGAR Score

Virginia Apgar (1909-1974) is credited with the scoring system used to determine whether the baby is responding to resuscitative efforts and the baby’s status at delivery. It is NOT a predictor of long-term outcome, but is likely a predictor of…

Haemophilia

Haemophilia is an X-linked recessive clotting disorder that is commonly diagnosed in infant males with haemorrhage or prolonged bleeding time. Symptoms are rarely seen in women due to their heterozygosity. Classification of haemophilia Classification Description Haemophilia A (classic haemophilia) X-linked…

Von Willebrand Disease

Von Willebrand Disease (vWD) is caused by qualitative and quantitative deficiencies in von Willebrand factor. It is characterised by mucocutaneous haemorrhage. Subtypes of von Willebrand Disease Subtype Description Type 1 von Willebrand disease (75%) Autosomal dominant quantitative defect of vWF.…

Vitamin K Deficiency

Vitamin K is a group of fat-soluble quinone-based compounds that carboxylate glutamate to γ-carboxyglutamate, a necessary step in the synthesis of vitamin K-dependent clotting factors. Vitamin K deficiency in the newborn Timeframe of bleeding Cause of bleedingy (haemorrhagic disease of…