508 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Diabetic Nephropathy Renin ... Normal, Renin High ... hypoplasia Aldosterone high ... #Hyperkalemia #Diagnosis
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... mmol creatinine) High ... Low-normal EABV, High ... hypokalemia #urine #potassium ... differential #algorithm #diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... urinary losses: • High ... tumor - ↓ Renin ... #Hypokalemia #diagnosis ... #differential #potassium
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Hypertensive: • High ... renovascular HT, Renin-secreting ... #Differential #Diagnosis ... #causes #low #potassium
Hyperaldosteronism - Etiologies of Mineralocorticoid Excess

Primary Hyperaldosteronism (Normal or Low Renin, High Aldosterone) 
 - Aldosterone-secreting
(Normal or Low Renin ... , High Aldosterone ... Hyperaldosteronism (High ... Renin, High Aldosterone ... #Differential #Diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Syndrome • HTN, High ... Renovascular HTN, Renin ... #Differential #Diagnosis ... Algorithm #causes #potassium
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Hypoaldosteronism (Normal or High ... Resistance (Normal or High ... Renin, Normal or ... High Aldosterone ... #Differential #Diagnosis
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... ARBs Decreased Renin ... Pharmacology #Impaired #Potassium
Here’s a review of the Renin-Angiotensin-Aldosterone system (RAAS)

This is a very common pathway that clinicians should
review of the Renin-Angiotensin-Aldosterone ... with excreting potassium ... will increase potassium ... , which is why potassium ... #Pharmacology #Renin
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Hyperkalemia • Direct renin ... Aliskiren) • Renin ... #differential #diagnosis ... #pharmacology #potassium