67 results
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
clonus and muscle fasciculations ... consistent with a diagnosis ... of amyotrophic ... PhysicalExam #Clinical #Video ... #ALS #Neurology
Pseudobulbar Affect
Characteristics (These episodes usually cause distress and impairment in occupational or social functioning):
 - Extreme
crying; Diseases: Amyotrophic ... Lateral Sclerosis (ALS ... Traumatic Brain Injury ... #differential # ... diagnosis
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Acute spinal cord injury ... Eclampsia, Late ALS ... #differential # ... diagnosis #table ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Amyotrophic Lateral ... - Causes progressive ... BULBAR: Tongue fasciculations ... conditions listed in differential ... #Sclerosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Neuropathy - Atrophy, Fasciculations ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology ... #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Motor Nerves: ALS ... Phrenic nerve injury ... #differential # ... diagnosis #neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... Diagnosis Baseline ... osmolarity If cause ... #Diagnosis #nephrology ... #causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... vasoconstriction syndrome ... Traumatic brain injury ... #Causes #neurology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... (AKI) - Differential ... Abdominal Compartment Syndrome ... Diagnosis #nephrology ... #causes #algorithm