30 results
Clinical features of focal cortical brain lesions in a right-handed individual

Frontal, either:  
Intellectual impairment, 
Personality
left: Broca's aphasia ... Agraphia, Werneke's aphasia ... right: Dressing apraxia ... left: Limb apraxia ... Localization #Symptoms #Signs
Clinical Features and Vascular Territories of Stroke
Anterior circulation—anterior cerebral artery (ACA) - Contralateral leg weakness
Anterior circulation—middle
loss, field cut, aphasia ... MCA) or neglect, apraxia ... without cortical signs ... deviation and/or ataxia ... deficits and/or ataxia
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
chromosome 21) Signs ... semantic memory • Aphasia ... incontinence, apraxia ... AlzheimersDisease #Dementia #pathophysiology ... geriatrics #diagnosis #signs
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Differential Diagnosis Algorithm ... motor cortex) • Aphasia ... • Apraxia • ... #Causes
Causes of Aphasia - Differential Diagnosis Algorithm
Fluent - Grammatically correct, but nonsensical, tangential. Phonemic & semantic
Causes of Aphasia ... Differential Diagnosis Algorithm ... , Global Aphasia ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Non-Fluent Aphasia - Differential Diagnosis Algorithm
Non-Fluent - Agrammatic, hesitant, but substantive communication
Impaired Repetition
 •
Causes of Non-Fluent ... Aphasia - Differential ... Diagnosis Algorithm ... Transcortical Aphasia ... #Causes
Aphasia - Pathophysiology and Clinical Findings
Broca's Aphasia - Expressive language impairment: non-Fluent
 - Sensory speech areas
Aphasia - Pathophysiology ... Findings Broca's Aphasia ... repetition Wernicke's Aphasia ... sensory deficits #Aphasia ... #diagnosis #signs
ACA infarcts are rare because of the collateral circulation provided by the anterior communicating artery. ACA infarct
These are uncommon causes ... 4.4% of stroke cases ... #frontallobe #Apraxia ... #aphasia #abulia
Causes of Fluent Aphasia - Differential Diagnosis Algorithm
Fluent - Grammatically correct, but nonsensical, tangential. Phonemic &
Causes of Fluent ... Aphasia - Differential ... Diagnosis Algorithm ... #Fluent #Aphasia ... #Causes
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
Dose-dependent tremor, ataxia ... dizziness, diplopia, ataxia ... Systemic effect -> Nausea ... #SideEffects #Pathophysiology