145 results
ECG Changes with Potassium Imbalance
 - Normokalemia
 - Hypokalemia
 - Hyperkalemia

#Hypokalemia #Hyperkalemia #ECG #potassium #cardiology #ekg
ECG Changes with ... Potassium Imbalance ... #Hyperkalemia #ECG ... #potassium #cardiology ... #ekg #electrocardiogram
EKG showing prominent U waves due to hypokalemia. Serum potassium 2.0. 

#EKG #emergencymedicine #criticalcare #cardiology #internalmedicine
EKG showing prominent ... Serum potassium ... #EKG #emergencymedicine ... Electrocardiogram #ECG
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC ... shift of K (Succinylcholine ... differential #diagnosis #pathophysiology ... #pharmacology #potassium
Pathophysiology of Subendocardial and transmural ischemia on ECG

#Pathophysiology #Subendocardial #Transmural #Ischemia #ECG #EKG #Cardiology

** GrepMed Recommended
Pathophysiology ... transmural ischemia on ECG ... #Pathophysiology ... Transmural #Ischemia #ECG ... #EKG #Cardiology
Typical ECG changes associated with hyperkalemia. 
→ Peaked T wave
→ Wide PR interval, Wide QRS duration,
Typical ECG changes ... closely with serum potassium ... such, a normal ECG ... reassuring if elevated potassium ... electrocardiogram #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... Transcellular shifts ... nephrology #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Transcellular Shift ... Algorithm #causes #potassium ... #low #pathophysiology
Hormones Acting on the Nephron - Diuretics and Their Site of Action
 1) Acetazolamide
 2) Osmotic
Osmotic Diuretics (e.g ... Loop Diuretics (e.g ... 4) Thiazides (e.g ... HCTZ) 5) Potassium-sparing ... ) #Pathophysiology
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Excretion (IV potassium ... Transcellular Shift
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... Sodium bicarbonate Potassium ... Hyperkalemia #management #potassium