6240 results
Heme Synthesis Pathway
Enzymes
1. ALA Synthase
2. ALA Dehydratase
3. Porphobilinogen deaminase
4. UP Ill Synthase
5. UP Ill Decarboxylase
6. Coproporphyrinogen
Synthesis Pathway Enzymes ... Synthesis #Pathway #pathophysiology ... #diagnosis
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
Elevated Liver Enzymes ... Complications #pathophysiology ... signs #symptoms #diagnosis
Complications of Measles: Pathogenesis and Clinical Findings
 • ADEM -> Fever, headache, neck stiffness, BBD, mental
elevated liver enzymes ... Complications #diagnosis ... signs #symptoms #pathophysiology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
sulfate → Sulfatase enzyme ... Syndrome #PUBS #pathophysiology ... #differential #diagnosis
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme ... #differential #diagnosis ... #pathophysiology
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
of proteolytic enzymes ... Osteoarthritis #OA #pathophysiology ... #diagnosis #signs
Review of the Coagulation Cascade
Traditional Model:
 • Parallel extrinsic and intrinsic pathways.
Contemporary Model:
 • 4 key
clotting factor enzyme ... cofactor, and the enzyme ... Coagulation #Cascade #diagnosis ... models #hematology #pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Enzymes released ... Classification #Pathophysiology ... #Allergy #Diagnosis
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
of the NTPPPH enzyme ... Signs #Symptoms #Pathophysiology ... #Diagnosis
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Elevation of muscle enzyme ... Polymyositis #PM #Diagnosis ... #Pathophysiology