16 results
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 #
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... blocks, QRS axis shift ... #potassium #high ... #diagnosis #management
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 ... and Differential Diagnosis ... cardionerds #High ... #cardiology #causes
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
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the pacemaker shifts ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... immature blasts and high ... hydration - Hyperkalemia ... unless worrisome EKG ... Syndrome #TLS #diagnosis
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Saline (NS) - Comparison ... Is Dangerous in Hyperkalemia ... transcellular shift ... densa receives high ... #pharmacology #
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypomagnesemia • Hypokalemia ... percent PVCs/day • High ... Differential Diagnosis ... tachyarrhythmias High-risk ... #differential #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the pacemaker shifts ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison