13 results
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... Bradyarrhythmias • Sinus bradycardia ... Mechanical • Aortic ... #Table #Causes
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... Diagnosis Framework ... Tachy-Brady syndrome • Aortic ... #differential # ... diagnosis #causes
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Diagnosis Algorithm ... Syphilis (light-near dissociation ... Pharmacologic (e.g ... #Causes #Ophthalmology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 60 (1) Sinus bradycardia ... 200ms from longer pause ... #EKG #diagnosis ... #differential
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... herniation • Anatomic ... Referred Pain: • Aorta ... #Diagnosis #causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... ., aortic insufficiency ... regurgitation • Severe aortic ... #Differential #
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Diagnosis Framework ... • Malignancy (e.g ... infarction • Aortic ... OTHER RARE CAUSES ... #Diagnosis #cardiology
Bradycardia - Differential Diagnosis 
 • Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies,
Bradycardia - Differential ... Diagnosis • Cardiac ... Physiological causes ... #Differential # ... Diagnosis #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
CA • Involves aortic ... Septic Emboli Cause ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... Treat underlying cause
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Differential/diagnosis ... See thread for POCUS ... seen in 34% of cases ... #clinical #cardiology