124 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... deficiency of FVII ... deficiency of FVII ... Pre-analytical cause ... aPTT #Prolonged #Causes
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Causes include : ... Pre-analytical cause ... , FVII, FIX, FX ... production Fll, FV, FVII ... aPTT #Prolonged #Causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Biceps Jerk - ... Erb's Palsy is caused ... palsy" is a common cause ... Tunnel Syndrome - Causes ... Dislocation - May cause
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Ankle - S1 • Biceps ... - C5, C6 • Triceps ... - C6, C7, C8 ... Commonly caused
Cranial Nerve Nuclei - Cross Sectional Anatomy
CN III - Oculomotor Nerve
CN IV - Trochlear Nerve
CN V
Sectional Anatomy CN ... Trochlear Nerve CN ... Abducens Nerve CN ... VII - Facial Nerve ... Nerve CN IX -
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
URT inflammation causes ... severe swelling causes ... replicates within CNS ... induces vascular & CNS ... CNS and hematologic
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Elbow Flexion Biceps ... Brachioradialis Reflex C7 ... Elbow Extension Triceps
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
peripheral lesion of CN ... VII, the facial ... peripheral lesion of CN ... VII, exemplified ... #CNVII #CN7 #Peripheral
Spider Bites - Black Widow vs Brown Recluse
BLACK WIDOW 
 - Yellow/Red Hourglass on belly
Spider Bites - Black ... muscle cramping and CNS ... No #Spider #Bites
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... Non-Infectious Causes ... Beta-blockers, CNS ... differential #diagnosis #causes