97 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
Typical ECG changes associated with hyperkalemia. 
→ Peaked T wave
→ Wide PR interval, Wide QRS duration,
associated with hyperkalemia ... closely with serum potassium ... experience sudden hyperkalemic ... #hyperkalemia #ECG ... electrocardiogram #potassium
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... Excretion (IV potassium ... Transcellular Shift ... #Hyperkalemia
EKG showing prominent U waves due to hypokalemia. Serum potassium 2.0. 

#EKG #emergencymedicine #criticalcare #cardiology #internalmedicine
EKG showing prominent ... U waves due to hypokalemia ... Serum potassium ... #EKG #emergencymedicine ... Electrocardiogram #ECG
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... Transcellular shifts ... MatthewHoMD #Hypokalemia ... nephrology #low #potassium
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
caused by excess potassium ... intake, impaired potassium ... transcellular shifts ... adapt to excess potassium ... excretion, increased potassium
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... LouLectures #Hyperkalemia
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Dialysis Serum potassium ... and ECG changes ... blocks, QRS axis shift ... #potassium #high
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Checklist Approach to Hypokalemia ... arrhythmia: - EKG ... clinical context & EKG ... route = severe hypokalemia ... /hr for severe hypokalemia
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Decreased renal potassium ... Normal, Renin High ... hypoplasia Aldosterone high ... • Type 1 #Hyperkalemia