11 results
American Society of Anesthesiologists (ASA) Classification
The ASA classification (Table) aims to predict perioperative mortality rates but
The ASA classification ... (Table) aims to ... predict perioperative ... #Diagnosis #Preoperative ... #ASA #Classes #
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk ... ASA class If ... event, follow ACC algorithm ... Orthopedic • Low ... trials) • BUT, preoperative
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... Low Mean Corpuscular ... #Anemia #MCV #Classification ... #Causes #Hematology
In order to better classify heart failure, the American College of Cardiology Foundation and the American
Association in 2001 published ... Association functional class ... But now the ACC/ ... Below one can see how ... #Stages #Classes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
Classification ... In more severe cases ... appear to be a stable ... These injuries are caused ... Injury #Fracture #Classification
The algorithm below shows how pre-test probability could be combined with various criteria to determine which
shows how pre-test ... patient with a low ... acyclovir in these cases ... HSV PCR would cause ... probability and published
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... can be high or low ... Uosm <100): Renal Losses ... differential #diagnosis #table