13 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Ureterosigmoidostomy Urinary ... and 2, but not type ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
obstruction _ pHA type ... I, type II - ... High Renin - Primary ... Ketoconazole Low ... #Hyperkalemia #Algorithm
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... Divided into 3 categories ... of phase 4 to slow ... Block K+ channels (primarily ... #Pharmacology #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
open leading to slow ... Vaughan Williams Classification ... Divided into 3 categories ... Block K+ channels (primarily ... #Pharmacology #Classification
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
Differential Diagnosis Algorithm ... of stones: • Urinary ... overproduction • Low ... solubility: • Low ... Hypocitraturia • RTA Type
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
A and B categories ... / hypoxemia -> focus ... LV failure - Low ... #typea #typeb # ... classification
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... water intake (Primary ... polydipsia), Low ... differential #diagnosis #table
Hematology Algorithms 

Anemia is described as a reduction in the proportion of the red blood cells.
Hematology Algorithms ... Leukopenia is primarily ... can be broadly categorized ... as a central type ... These causes could
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
ASA class If ... event, follow ACC algorithm ... Risk Stratify Type ... Orthopedic • Low ... What is the type