14 results
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
• SINUS ARRYTHMIA ... • METABOLIC DISORDER ... PSYCHIATRIC • ANXIETY ... DISORDER • SOMATISATION ... Differential #Diagnosis #Cardiology
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Arrhythmias - Differential ... • Generalized Anxiety ... Disorder #Arrhythmias ... #Cardiology #Differential
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
Alcohol Use Disorder: Pathogenesis and Clinical Findings

 • Tolerance (reduced sensitivity to effects of EtOH)
 •
Alcohol Use Disorder ... to effects of EtOH ... exacerbated by EtOH ... desire to use EtOH ... , seizure, and anxiety
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Syncope • Cardiac Arrhythmia ... Depression • Anxiety ... • Panic Disorder
Dizziness - Differential Diagnosis Framework
Vertigo:
 • Peripheral: Labyrinthitis, BPPV, Meniere's disease, Alternobaric
 • Central: CVA/TIA -
Vasovagal reaction, Arrhythmia ... vision Other: • Anxiety ... disorder, Panic ... disorder, Schizophrenia ... , Bipolar disorder
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Psych: Depression, anxiety ... statin, chemo), EtOH ... Polyneuropathy, ALS), NMJ disorder
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Medications/Toxins: • ETOH ... Psychiatric: • Panic disorder ... /Anxiety • Somatization ... associated with anxiety ... #Palpitations #Cardiology
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
Panic Disorder: ... heritability >> Panic Disorder ... carrying anti-anxiety ... Anticipatory Anxiety ... #BehavioralDisorder
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Psychiatric • Anxiety ... • Somatoform Disorder ... ChestPain #Noncardiac #Cardiology