9 results
Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
Post-Traumatic Stress Disorder ... startle reflex • Anxiety ... StressDisorder #PTSD #BehavioralDisorder ... symptoms #signs #psychiatry
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... • METABOLIC DISORDER ... • HYPOXIA PSYCHIATRIC ... • ANXIETY DISORDER ... Differential #Diagnosis #Cardiology
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
May present as: palpitations ... • Cocaine - Psychiatric ... • Generalized Anxiety ... Disorder #Arrhythmias ... #Cardiology #Differential
Alcohol Use Disorder: Pathogenesis and Clinical Findings

 • Tolerance (reduced sensitivity to effects of EtOH)
 •
Alcohol Use Disorder ... to effects of EtOH ... exacerbated by EtOH ... , seizure, and anxiety ... Signs #Symptoms #Psychiatry
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
Panic Disorder: ... heritability >> Panic Disorder ... chest pain, heart palpitations ... #BehavioralDisorder ... symptoms #signs #psychiatry
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Medications/Toxins: • ETOH ... Hyperthyroidism • Anemia Psychiatric ... : • Panic disorder ... associated with anxiety ... #Cardiology #Differential
Social Anxiety Disorder (SAD) - Pathophysiology 
Excessive fear of one or more social situations
 • Safety
Social Anxiety Disorder ... reduce social anxiety ... trembling, heart palpitations ... SocialAnxiety #BehavioralDisorder ... symptoms #signs #psychiatry
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
- Neurologic/Psychiatric ... • Anxiety ... • Somatoform Disorder ... ChestPain #Noncardiac #Cardiology
Oppositional Defiant Disorder (ODD): Pathogenesis and clinical findings
 - Must have >4 symptoms for >6 months,
Oppositional Defiant Disorder ... develop mood and anxiety ... disorders Argumentative ... OppositionalDefiant #ODD #BehavioralDisorder ... symptoms #signs #psychiatry