Page 135 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)

A. Deranged Potassium Metabolism

Na +
K + Insulin and K +
Increased energy deficiency 2Cl –
1 supply
K + Balance
4 Muscle
Hypoaldosteronism, work
distal diuretics Reduced +
renal elimination H
2 GFR K + Potassium
Na + Na + K +
Na +
Release of
cellular potassium
K + Abnormalities of
Cell death
H + Acidosis Epinephrine(α)
K +
Lumen Distal tubule Blood
Hyperkalemia
7 Plate 5.17
+
K equilibrium 6 U wave
potential
Heart:
accelerated K conductance
+
repolarization Heart:
(shortened ST segment) Delayed repolarization
Heterotopic automatism
Neuromuscular
+
excitability K conductance Neuromuscular
Acidosis excitability
Urinary concentration
+
Hormone release K equilibrium
potential Alkalosis
Hormone release
Hypokalemia
Na + Aldosterone
+
K uptake
into cells
Na + Na +
Diuretics, 5 2Cl –
salt-losing H + +
nephritis K + K
H + Alkalosis Na + K +
K +
Na +
Renal loss of potassium + Insulin
K
3
Epinephrine (β)
Intestinal K + Deficient
loss supply 125
Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
All rights reserved. Usage subject to terms and conditions of license.