22 results
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
major sources of ammonia ... production of ammonia ... myeloma, CML, AML ... #Pathophysiology ... Hyperammonemia #Differential
Lactulose: Mechanism of Action in Hepatic Encephalopathy
Lactulose → ↑ Lactic Acid, Acetic Acid → ↓ pH
#Lactulose #pharmacology ... #mechanism #ammonia ... #hepatology #pathophysiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme (ACE ... • Exogenous (KCL ... #hyperkalemia #differential ... #diagnosis #pathophysiology ... #pharmacology #
Urine Anion Gap in NAGMA
NA + K - Cl = surrogate for Urine NH4+
NH4+ is excreted
NAGMA NA + K - Cl ... excreted with Cl ... negative AG implies ↑ ammonium ... is intact: - All ... NAGMA #diagnosis #differential
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Hyperammonemia - Differential ... Hyperammonemia #ammonia ... #Differential # ... Diagnosis #Pathophysiology
Hydroxyurea - Pathophysiology and Benefits in Sickle Cell Disease
 • Decreases number of pain crises (
Hydroxyurea - Pathophysiology ... vs. 1) • Fewer ACS ... Benefits #SickleCell #pathophysiology ... #pharmacology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Diagnostic Algorithm Pathophysiology ... : - Catch-all term ... range of potential pathophysiologic ... - Pathophysiology ... Targetoid #Algorithm #Differential
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
Aldosterone Release: ACE ... #Hyperkalemia #Pathophysiology ... #Pharmacology #
Fibrinolysis. 
Fibrinolysis occurs when plasminogen is activated to plasmin under the influence of factors such as
and urokinase act ... -antiplasmin), act ... Fibrinolysis #Pathway #Pathophysiology ... #Plasminogen #Pharmacology
Drug-Induced Edema
Drug-induced edema is caused by many drugs & can coincide with or worsen pre-existing peripheral
Medication #Causes #Differential ... #Pharmacology # ... Pathophysiology