15 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC ... shift of K (Succinylcholine ... differential #diagnosis #pathophysiology ... #pharmacology #
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... blocks, QRS axis shift ... , asystole #hyperkalemia ... #potassium #high
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
in people with high ... hypercalcemia, ... This EKG was recorded ... #Cardiology #diagnosis ... Electrocardiogram #ECG
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... Failure - Pathophysiology ... cardionerds #High ... HeartFailure #CHF #Pathophysiology ... Differential #Diagnosis #cardiology
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... - Hyperkalemia ( ... high potassium levels ... #cardiology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... immature blasts and high ... Spontaneous if high ... hydration - Hyperkalemia ... unless worrisome EKG
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Is Dangerous in Hyperkalemia ... transcellular shift ... densa receives high ... NS #comparison #pharmacology
The crusade against “Ab”Normal Saline continues.  This is a non-physiologic fluid that can harm our
The ECF and ICF ... we introduce a high ... causes Hyperkalemia ... The high CL- content ... diagnosis #treatment #pharmacology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypomagnesemia • Hypokalemia ... percent PVCs/day • High ... 300 = NSVT EKG ... tachyarrhythmias High-risk ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Disorders: • Hyperkalemia ... no P waves • Hypercalcemia ... • Short QT, high ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram