31 results
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... clinical #video #neurology ... #physicalexam #
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... Algorithm Before evaluating ... wasting from other causes ... suggests extra-renal causes ... differential #potassium #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
, Gitelman Syndrome ... GRA, Cushing's syndrome ... , Liddle syndrome ... Diagnosis #Algorithm #Nephrology ... #Causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... pain, sciatica, saddle ... Commonly caused ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... Impotence - Saddle ... Sensory loss - Saddle ... differential #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
sequestration • Saddle ... Mnemonic: • S - Saddle ... - Emergency Causes ... differential #diagnosis #causes ... #neurology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
It is caused by ... infection which causes ... #Adies #Pupil #PhysicalExam ... ophthalmology #neurology ... #syndrome
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... the patient's middle ... of the flexed middle ... clinical #video #neurology ... #PhysicalExam
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Approach (when evaluation ... heart failure, neurologic ... White-coat syndrome ... Neurologic disorders ... Guillain-Barre Syndrome