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Mechanical Bowel Obstruction and Ileus - Pathogenesis and Clinical Findings
Ileus: Functional bowel "blockage", no peristalsis
Mechanical Obstruction:
Mechanical Bowel Obstruction ... Findings Ileus: Functional ... pain • Flat/low ... percussion • Nausea ... #sbo #ileus #pathophysiology
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Obstructive Shock ... #Shock #Pathophysiology ... #differential #diagnosis ... #algorithm #causes
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
- Able to identify ... non-calculus causes ... abdominal pain: diagnoses ... detection with function ... for non-calculus causes
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
The Diagnostic Approach ... Urinary tract obstruction ... Ketoconazole Low ... #Hyperkalemia #Algorithm ... #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Algorithm Increased ... #Algorithm #causes ... #potassium #low ... #pathophysiology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Drug-associated: heparin, low-molecular-weight ... #Differential #Diagnosis ... High #Potassium #Classification ... #Causes