11 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Narrow Complex ... tachycardia • Atrial flutter ... tachycardia • Atrial flutter ... #Causes #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... (AVNRT, OAVRT, AFIutter ... Tachycardia: • AFib > AFIutter ... Differential #Diagnosis #Table ... Irregular #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(>100 bpm) - Narrow ... Tachycardia • Aflutter ... WPW) - Narrow ... • AFib • AFIutter ... #causes
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... ) Irregular Narrow ... Atrial flutter ... NarrowComplex #Narrow ... differential #diagnosis #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Possible atrial flutter ... Treat underlying cause ... possible atrial flutter ... management #cardiology #algorithm
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... VFib • AFib/AFlutter ... Tachy-Brady Syndrome #Syncope ... #causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... Reflex Syncope ... bradycardia • Sinus pauses ... Differential #Diagnosis #Classification ... #Table #Causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Hemolysis • Marrow ... #Anemia #MCV #Classification ... #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... Chronic Disease • Marrow ... Non-lmmune #Anemia #Classification ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Paroxysmal AF, atrial flutter ... twitching CARDIAC CAUSES ... Atrial fibrillation/flutter ... Nonarrhythmic Cardiac Causes ... NON-CARDIAC CAUSES