11 results
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... and ECG changes ... Widening of QRS complex ... blocks, QRS axis shift ... #potassium #high
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... - Hyperkalemia ( ... high potassium levels ... #Pharmacology # ... Pathophysiology #cardiology
The chemical formula of Digoxin is C41 H64 O14.
Digoxin (Cardiac glycoside) reversibly inhibits the sodium-potassium-ATPase, causing
intracellular potassium ... arrhythmias and ... , hypokalemia, hypomagnesemia ... Hypokalemia is a ... arrhythmias.
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... the pacemaker shifts ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
finding) • Atrial Arrhythmia ... Incomplete or Complete ... • Dominant R Wave ... in V1 • Shift ... AcutePE #diagnosis #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypomagnesemia • Hypokalemia ... Substances • Digoxin ... percent PVCs/day • High ... 300 = NSVT EKG ... #differential #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... the pacemaker shifts ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
or in-complete ... Disorders: • Hyperkalemia ... • Short QT, high ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, bradycardia, arrhythmias ... Calcineurin inhibitors, Digoxin ... bradycardia → sine wave ... dose PRN (ongoing arrhythmia ... Management #Treatment #potassium
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
clusvon has a high ... aVR • Classic EKG ... • Predictor of arrhythmia ... tachycardia • Narrow complex ... #differential #cardiology