35 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... injury, Early ALS ... #differential # ... diagnosis #table ... #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... nerve acts both as ... #Reflex #Positive ... #Abnormal #clinical ... #video #neurology
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Passive neck flexion causes ... While the pathophysiology ... an involuntary reflex ... #Meningitis #Clinical ... #PhysicalExam #Pediatrics
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Pathogenesis and Clinical ... chromosome 21) Signs ... seizure, primitive reflexes ... AlzheimersDisease #Dementia #pathophysiology ... #geriatrics #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Definition: • Coma: a state ... consciousness Differential ... • Mutism Pathophysiology ... horizontal movements; also ... • Examine for signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... diffuse light reflex ... damaged BRB appears as ... #Retinopathy #pathophysiology ... ophthalmology #diagnosis #signs
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
hypertension and signs ... 109 mm Hg) with clinical ... renal bruit or signs ... Neurologic disorders ... #Differential #
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... - Causes progressive ... Increased Jaw Jerk reflex ... conditions listed in differential ... Lateral #Sclerosis #neurology
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
frequently benign causes ... such as reflex ... syncope (ruling out differential ... orthostatic vital sign ... should be guided by clinical
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
Pathogenesis and Clinical ... enzyme 21-OHase causes ... Signs/Symptoms/Complications ... #21HydroxylaseDeficiency #21OHD #pathophysiology ... endocrinology #peds #pediatrics