3615 results
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
Hyperactive Disorder (ADHD ... developmental level - ADHD ... with inattentive ADHD ... their turn • Causes ... BehavioralDisorder #Pathophysiology
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Caused by splanchnic ... Pathophysiology: ... sympathetic + ADH ... Bland urine (no casts ... Exclude other AKI causes
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
Inappropriate ADH ... Insipidus - Inadequate ADH ... SIADH - Excess ADH ... Comparison #Table #Pathophysiology
Thiazide induced Hyponatremia - Pathophysiology
 • Reduced distal delivery
 • Inhibition of the NCC (dilution capcity)-
Hyponatremia - Pathophysiology ... permeability increased - ADH ... independent / ADH ... #Hyponatremia #Pathophysiology
Nephron Pathophysiology - Diuretic Sites of Action
Diuretics
1) Acetazolamide/canagliflozin
2) Osmotic agents (mannitol, urearetics)
3) Loop agents (eg, furosemide)
4)
Nephron Pathophysiology ... antagonists 6) ADH ... Adenosine #Nephron #Pathophysiology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Inappropriate ADH ... physiologic stimulus to ADH ... 100 mmol/kg - ADH ... Diagnosis #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Inappropriate ADH ... physiologic stimulus to ADH ... 100 mmol/kg - ADH ... Diagnosis #Algorithm #Causes
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... among the possible causes ... lower than 80% in cases ... in blood urea causes ... Circulating ADH
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... Hypovolaemia → ADH ... SaltWasting #SIADH #Pathophysiology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Diagnosis Algorithm ADH ... ADH Dependent: ... Diagnosis #Algorithm #causes