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Practice Guidelines for Preoperative Fasting

Infographic by Dr. Jesse Burk-Rafel
@jbrafel

> 8 hours - Heavy foods (fried/fatty) and
@jbrafel > 8 hours ... and meats > 6 hours ... formula > 4 hours ... coffee) 0-2 hours ... VisualAbstract #Times #Preprocedural
Insulin Comparison Chart

Insulin Types - Onset (hours) - Peak Glycemic Effect (hours) - Duration (hours)
 •
Types - Onset (hours ... Glycemic Effect (hours ... ) - Duration (hours ... Insulin #Comparison #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... Late-phase: 8-12 hours ... - Time Course: Hours ... types #allergy #table
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
distinguishing between causes ... lasting minutes to hours ... diagnosis #comparison #table
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... are caused by prerenal ... creatinine (in 12-24 hours ... CONSIDER INTRINSIC CAUSES ... for WBCs, RBCs, casts
Therapeutic Drug Level Monitoring 
Carbamazepine - Sample immediately before next dose (trough) 
Clozapine - Sample immediately
) or exactly 2 hours ... - Sample 8-24 hours ... trough level 2-4 hours ... sample after 18 hours ... Pharmacology #Diagnosis #Table
REBEL Review 46: Corticosteroid Conversion Chart 

Glucocorticoid, Approximate Equivalent Dose (mg), Relative Anti-Inflammatory (Glucocorticoid) Potency, Relative
Biological Half-Life (Hours ... endocrinology #comparison #table
Dyspnea - Differential Diagnosis and Presentation

#Diagnosis #Differential #Table #Dyspnea #SOB #Causes
#Differential #Table ... #Dyspnea #SOB #Causes
Renal tubular acidosis (RTA): refers to a group of conditions all of which cause the same
conditions all of which cause ... different types/causes ... RenalTubularAcidosis #Features #Table
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... , Chemicals, Gases ... #Differential #Causes ... #Table