16 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... inhibition (NSAIDs, Beta-Blockers ... • Increased EC ... #differential # ... #pharmacology #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Recent IV potassium ... • Beta blockers ... Food - Avoid in CRF ... #differential #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Recent IV potassium ... • Beta blockers ... Food - Avoid in CRF ... #differential #
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... global T wave inversion ... bundle branch block ... Diagnosis #Causes #Cardiology ... #ECG #EKG #Electrocardiogram
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... ECG changes, weakness ... injury, etc) ECG ... bradycardia, AV blocks ... Remove potassium
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
before dropped beat ... after dropped beat ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... Syncope #Syndromes #ECG ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... - treat with beta-agonist ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
Revascularization, treatment ... Initiation of beta-blocker ... failure - Any beta-blocker ... #Checklist #CHF ... #HeartFailure #Cardiology
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
psychosis - CHF ... ↑ T3 - Mild hypercalcemia ... : - Beta blocker ... : • Beta blockers ... causes #diagnosis #differential