303 results
Olfactory Dysfunction: Pathogenesis and clinical findings

Olfactory Dysfunction

Phantosmia: perception of smells that are not present
Parosmia: brain cannot
are not present Parosmia ... sense of smell Anosmnia ... #Dysfunction #anosmia
Anosmia / Smell Dysfunction - Differential Diagnosis Algorithm
Nasal Obstruction/ URTI:
 • Septal Deviation
 • Allergic Rhinitis
Anosmia / Smell ... Toxin Exposure #Anosmia
Anosmia Causes - Principal Etiologies of Olfactory Dysfunction
For olfactory disorders (and for most taste problems), the
Anosmia Causes - ... #Differential #Anosmia
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
Ageusia, Myalgia, Anosmia
IDSA - Conventional Criteria for the Diagnosis of Sinusitis Based on the Presence of at Least
• Hyposmia or anosmia
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
• Apraxia • Agnosia ... • Alexia • Anomia
Visual Pathway Neural Lesions
A) Optic Nerve → Left Anopia
B) Optic Chiasm → Bitemporal Hemianopia
C) Lateral Geniculate
Optic Nerve → Left Anopia
Causes of Aphasia - Differential Diagnosis Algorithm
Fluent - Grammatically correct, but nonsensical, tangential. Phonemic & semantic
Comprehension - Anomic
Day 10 after COVID diagnosis. Less tired, but more cough, ageusia & anosmia. No dyspnea or
cough, ageusia & anosmia
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
subdural hematoma, anoxia ... Tachycardia - Anoxia ... , anemia, febrile