Erb’s paralysis

Site of injury One region on upper trunk of Brachial plexus where 6 nerves meet (Erb’s point) Causes Undue separation of head from the shoulder due to –  Birth injury  Fall on the shoulder  During anaesthesia Nerve Roots C5-C6 Muscles involved Biceps brachii, Deltoid, Brachialis, Brachioradialis, Supraspinatus, Infraspinatus & Supinator (SBI Bank … Read moreErb’s paralysis

Glossopharyngeal Nerve

Introduction It is the 9th cranial nerve It is the nerve of 3rd branchial arch Supply Sensory to Pharynx, Tonsil, Soft Palate, posterior 1/3rd of Tongue, Carotid body & Carotid Sinus (PPTTCC) Motor to Stylopharyngeus Secreto-motor to Parotid Gland Gustatory to tongue and circumvallate papillae Nuclei Functional Components Branches Tympanic branch Lingual branch Carotid branch … Read moreGlossopharyngeal Nerve

Clotting Time

Definition It is the time required for blood to coagulate in vitro under standard conditions. Methods Capillary Tube Method (Normal Range  – 8 to 15 minutes) Test Tube Method Others : aPTT, Prothrombin time, INR Prothrombin Time Normal Range – 25 to 30 seconds Abnormal Prothrombin Time is seen in : Haemophilia Liver Pathology Malabsorption … Read moreClotting Time