145 results
Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
StressDisorder #PTSD #BehavioralDisorder ... Pathophysiology #diagnosis #symptoms ... #signs #psychiatry
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... vomiting, auditory symptoms ... • Meniere's Disease ... symptoms/signs, ... Diagnosis #Algorithm #Causes
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... #Bells #Palsy #Neurology ... #Signs #Symptoms
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... Non-vertigo Organic Disease ... Problem • Drugs Psychiatric ... Disease • Depression ... Lightheadedness #Neurology
Confabulation
What? Honest Lie.  
No incoming sensory information + Filling of the blanks with different information
Diseases: Korsakoff ... Injury, Alzheimer's Disease ... Cortical Blindness, Psychiatric ... differential #diagnosis #causes ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Méniére's disease ... without an obvious cause ... Disease onset usually ... signs or symptoms
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
PT, aPTT(liver disease ... pylori test (GI symptoms ... (CVID, WAS), (neurologic ... /psychiatric changes ... bypass), LFT (liver disease
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... aldosterone Causes ... : Most Common Causes ... Lymphoma Metastatic Disease ... Reduced libido • Signs
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... positional episodes caused ... No auditory symptoms ... test Méniére's disease ... Long symptom-free
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Dizziness - Nausea ... #SideEffects #Psychiatry ... #Diagnosis #Signs ... #Symptoms