12 results
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... • METABOLIC DISORDER ... PSYCHIATRIC • ANXIETY ... DISORDER • SOMATISATION ... Differential #Diagnosis #Cardiology
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Algorithm May present as ... : palpitations, ... • Generalized Anxiety ... Disorder #Arrhythmias ... #Cardiology #Differential
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Psych: Depression, anxiety ... statin, chemo), EtOH ... Polyneuropathy, ALS ... ), NMJ disorder
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
Panic Disorder: ... heritability >> Panic Disorder ... chest pain, heart palpitations ... carrying anti-anxiety ... #BehavioralDisorder
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
Dizziness - Differential Diagnosis Framework
Vertigo:
 • Peripheral: Labyrinthitis, BPPV, Meniere's disease, Alternobaric
 • Central: CVA/TIA -
Acoustic neuroma, Complex ... reaction, Arrhythmia, AS ... vision Other: • Anxiety ... disorder, Panic ... , Bipolar disorder
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Premature Ventricular Complexes ... • Stimulants, ETOH ... the heartbeat • Palpitations ... : • Broad QRS complex ... #differential #cardiology
Social Anxiety Disorder (SAD) - Pathophysiology 
Excessive fear of one or more social situations
 • Safety
Social Anxiety Disorder ... reduce social anxiety ... Physical Symptoms of Anxiety ... trembling, heart palpitations ... SocialAnxiety #BehavioralDisorder
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
Deficit Hyperactive Disorder ... restless • Acts as ... question has been completed ... AttentionDeficitHyperactiveDisorder #ADHD #BehavioralDisorder
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Mitochondrial disorder ... patterns (this case was ... a complex I deficiency ... Brain #Diagnosis #Radiology