21 results
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Paraclinical assessment: EKG ... pericarditis • Rule out differential ... #Myocarditis #differential ... #Diagnosis #Causes ... #cardiology #MRI
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... This tracing plus ... are enough to diagnose ... the case as Typical ... excludes other differentials
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... AFlutter • AVNRT ... Diagnosis #Algorithm ... #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... #algorithm
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function Grading ... LV compliance), ECG ... electrocardiogram, MI ... #Diagnosis #Cardiology ... Grades #Criteria #Table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... potomania - “Tea ... #Diagnosis #Table ... #Causes #Sodium
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Diagnosis Algorithm ... Syphilis (light-near ... Pharmacologic (e.g ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... Valvular disease (e.g ... maneuvers: SVT-AVNRT ... #Differential #
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Triage EKG (no prior ... Differential/diagnosis ... Pulmonary #Embolism #ECG ... #EKG #Electrocardiogram
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... production to cause ... : EKG ($), ECHO ... ($$$), PET CT/MRI ... Stress #Testing #cardiology