9 results
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... • METABOLIC DISORDER ... PSYCHIATRIC • ANXIETY ... #Causes #Differential ... #Diagnosis #Cardiology
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
May present as: palpitations ... ) Non-Cardiac Causes ... • Generalized Anxiety ... Disorder #Arrhythmias ... #Cardiology #Differential
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 ... #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 ... , tachycardia, nausea ... , seizure, and anxiety
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Psych: Depression, anxiety ... statin, chemo), EtOH ... Polyneuropathy, ALS), NMJ disorder ... Differential #Diagnosis #causes
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
Panic Disorder: ... heritability >> Panic Disorder ... sweating, trembling, nausea ... chest pain, heart palpitations ... #BehavioralDisorder
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Cardiovascular Causes ... / Mediastinal Causes ... Psychiatric • Anxiety ... • Somatoform Disorder ... ChestPain #Noncardiac #Cardiology
Social Anxiety Disorder (SAD) - Pathophysiology 
Excessive fear of one or more social situations
 • Safety
Social Anxiety Disorder ... reduce social anxiety ... trembling, heart palpitations ... flashes, headaches, nausea ... SocialAnxiety #BehavioralDisorder
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... • Stimulants, ETOH ... the heartbeat • Palpitations ... full compensatory pause ... #differential #cardiology