8 results
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Potassium Channel ... #ChannelBlockers ... #Medications #Differential ... #Diagnosis #Pharmacology ... #Toxicology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Diagnosis Poor ... NG drainage - Diarrhea ... #Potassium #Table ... #Classification
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Thyrotoxicosis Medications ... (NG suction, diarrhea ... nephrology #low #potassium
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
widening #ECG #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential ... #Drugs #Classes
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
biliary fistula - Diarrhea ... osmotic diuresis - Potassium ... #diagnosis #differential ... #medications #drugs ... #pharmacology #
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Chronic diarrhea ... Renal Loses - Medications ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Magnesium #Table #Classification
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Diarrhea - Differential ... Diagnosis Osmotic ... / #Chronic #Diarrhea ... #Causes #Differential ... #classification
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Gastrointestinal loss (diarrhea ... Increased secretion of potassium ... #Hypokalemia #Differential ... #Diagnosis #Low ... #Potassium #Classification