9 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Thyrotoxicosis Medications ... Non-renal losses: • GI ... #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... Diagnosis Algorithm ... - Increased GI ... #causes #potassium ... #low #pathophysiology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... - Anorexia GI ... #Hypokalemia #Differential ... #Diagnosis #Low ... #Potassium #Table
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... Agents to Treat ... of aspiration #Potassium ... #Hyperkalemia #medications ... #pharmacology #table
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... 1.5 High CO / Low ... Failure, Toxins/Medications ... Hypovolemic: Blood Loss, GI ... #criticalcare #algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... Renal Loses - Medications ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
- Any adverse events ... - Allergies to medications ... event, follow ACC algorithm ... Orthopedic • Low ... postoperative cardiac events
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low ... permanent alopecia Differential ... pericardial/abd GI ... , lymphopenia, low ... activation and/or medications
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl > 1.6, low ... correcting serum potassium ... Other medications ... hypokalemia #diagnosis #differential