19 results
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Long/short QT syndromes ... , Brugada syndrome ... Catecholaminergic polymorphic VT ... Acquired long QT syndrome ... disorders • WPW syndrome
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Sick Sinus Syndrome ... • Monomorphic VT ... • Polymorphic VT ... tachyarrhythmias #Cardiology ... #Algorithm #causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... consistent with a diagnosis ... of Horner's syndrome ... anterior_seg_rocks #Horners #Syndrome ... #physicalexam #
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
bradycardia, Sick Sinus Syndrome ... tachycardia (V-tach, VT ... ), Monomorphic VT ... , Polymorphic VT ... #Causes #cardiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Tachyarrhythmia: • VT ... • Sick Sinus Syndrome ... • Tachy-Brady Syndrome ... #Syncope #Cardiology ... #Algorithm #causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... dysfunction, and bilateral ... Commonly caused ... #neurology #sensory ... #motor #leg #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... Cauda Equina Syndrome ... - Cauda equina syndrome ... of Cauda Equina Syndrome ... #causes #neurology
Intermittent Bilateral Exophthalmos (Alternating Exophthalmos and Enophthalmos) on Physical Exam

Observing this patient in silence for a
Patient underwent a diagnostic ... Treatments are aimed ... The syndrome of ... clinical #video #ophthalmology ... #physicalexam #
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
rhythms: PSVT or VT ... Bradycardia-tachycardia syndrome ... (sick sinus syndrome ... Wolff-Parkinson-White syndrome ... disease • Vasovagal syndrome