14 results
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... • METABOLIC DISORDER ... PSYCHIATRIC • ANXIETY ... DISORDER • SOMATISATION ... Differential #Diagnosis #Cardiology
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
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
May present as: palpitations ... • 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 ... desire to use EtOH ... , seizure, and anxiety
Alcohol Withdrawal Timeline
Minor withdrawal (6 to 36 hours) - Tremulousness, mild anxiety, headache, diaphoresis, palpitations, gastrointestinal
Tremulousness, mild anxiety ... , diaphoresis, palpitations ... Withdrawal #Timeline #etoh
Hypoglycemia Differential Diagnosis and Management Algorithm

Features of hypoglycemia:
 • Neurogenic: Tremor, Palpitations, Anxiety, Arousal, Sweating, Hunger,
Neurogenic: Tremor, Palpitations ... , Anxiety, Arousal ... Suspected Hypoglycemia 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
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 ... #Cardiology #Differential
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