98 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... deficiency of FVII ... Pre-analytical cause ... aPTT #Prolonged #Causes ... #diagnosis #differential
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Causes include : ... Pre-analytical cause ... , FVII, FIX, FX ... #diagnosis #differential
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
Causes of Blurred vision, Blindness, Scotomata by Anatomic Location

#Blurred #vision #Blurry #Scotomata #Anatomy #differential #diagnosis #ophthalmology
Causes of Blurred ... , Scotomata by Anatomic ... Blurry #Scotomata #Anatomy ... #differential #
Cranial Nerve Nuclei - Cross Sectional Anatomy
CN III - Oculomotor Nerve
CN IV - Trochlear Nerve
CN V
Cross Sectional Anatomy ... Nerve CN IV - ... VII - Facial Nerve ... Nerve CN IX - ... CrossSectional #Anatomy
Algorithm for the Evaluation of Dysphagia:Oropharyngeal:
- Characterized by difficulty initiating swallowing and accompanied by choking/coughing, nasopharyngeal
. - Involved anatomy ... cranial nerves (V, VII ... Involved anatomy ... medulla #Diagnosis #Differential ... Extraluminal #Algorithm #Differential
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Ankle - S1 • Biceps ... - C5, C6 • Triceps ... - C6, C7, C8 ... Commonly caused
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 ... NerveRoots #Levels #differential
Cranial Nerve VII - Facial Nerve - Cross Sectional Nuclei Anatomy
 • Facial Nerve
 • Spinal
Cranial Nerve VII ... Sectional Nuclei Anatomy ... Spinal Nucleus of CN ... Facial #CNVII #CN7 ... CrossSectional #Anatomy
Hypertension and Altered Mental Status (AMS) - Differential Diagnosis Framework

Hypertension:
 • Hypertensive emergency
 • Hypertensive encephalopathy
Status (AMS) - Differential ... Hyperthyroidism CNS ... /agitation • CNS ... encephalopathy #altered #Differential ... #Diagnosis #causes