266 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
Causes of Aphasia - Differential Diagnosis Algorithm
Fluent - Grammatically correct, but nonsensical, tangential. Phonemic & semantic
Causes of Aphasia ... , Global Aphasia ... , Broca's Aphasia ... Transcortical Aphasia ... #Aphasia #Neurology
Causes of Non-Fluent Aphasia - Differential Diagnosis Algorithm
Non-Fluent - Agrammatic, hesitant, but substantive communication
Impaired Repetition
 •
of Non-Fluent Aphasia ... Comprehension - Global Aphasia ... Transcortical Aphasia ... Transcortical Motor Aphasia ... #NonFluent #Aphasia
Stroke Territory Localization and Blood Vessel Supply
ACA (Anterior Cerebral Artery)
 - Leg weakness/numbness
MCA Superior Divison
 -
Divison - Broca Aphasia ... Division - Wernicke Aphasia ... numb - Global Aphasia ... arm/leg + global aphasia
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
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
semantic memory • Aphasia ... incontinence, apraxia
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
motor cortex) • Aphasia ... • Apraxia
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
ACA infarcts are rare because of the collateral circulation provided by the anterior communicating artery. ACA infarct
#frontallobe #Apraxia ... #aphasia #abulia
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia Phasic ... Non-phasic Sinus ... diagnosis #ekg #ecg #electrocardiogram