48 results
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs CLASS ... Disopyramide CLASS ... • Adenosine, Magnesium ... #Medications #Classes ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... renal tubular dysfunction ... Diagnosis #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
= (urine magnesium ... )/ [0.7 (serum magnesium ... loss, shift of magnesium ... Hypomagnesemia #algorithm ... differential #diagnosis #causes
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Causes of Pediatric ... Differential Diagnosis Algorithm ... • Vocal Cord Dysfunction ... • Vocal Cord Dysfunction ... #Causes #Peds #
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... • Diastolic Dysfunction ... Pleural Thickening/Masses ... #Causes
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Differential Diagnosis Algorithm ... Peripheral Vestibular Dysfunction ... Central Vestibular Dysfunction ... #Causes
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Causes of Adrenal ... Differential Diagnosis Algorithm ... • Pituitary dysfunction ... • Hypothalamic dysfunction ... #Causes
Male Sexual and Erectile Dysfunction - Differential Diagnosis Algorithm
Erectile Dysfunction
 - Psychological
    •
Differential Diagnosis Algorithm ... Erectile Dysfunction ... Psychological • Performance ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... autoimmune (most of the causes ... Differential #Diagnosis #Causes ... #Algorithm
Causes of Falls in the Elderly - Differential Diagnosis Algorithm
- Intrinsic Factors - 
Presyncope / Syncope
Causes of Falls ... Differential Diagnosis Algorithm ... Depression • Other Performance ... Differential #Diagnosis #Algorithm ... #Causes