12 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... ) Irregular Narrow ... Atrial flutter ... tachycardia #NarrowComplex ... differential #diagnosis #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Treat underlying cause ... Treat underlying cause ... #Stable #NarrowComplex ... management #cardiology #algorithm
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... whether AF is cause ... Tx: Underlying cause ... Differential #Diagnosis #Table ... Irregular #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... Narrow Complex ... Junctional tachycardia Narrow ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (>100 bpm) - Narrow ... Tachycardia • Aflutter ... WPW) - Narrow ... #causes
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic Algorithm ... and Causes Increased ... hyperplasia of bone marrow ... #Differential #Causes ... #Workup #Hematology
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
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
Algorithm for the ... adequate bone marrow ... the most likely cause ... recovery also causes ... #Workup #AAFP
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