23 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
sodium channel blockers ... - Amantadine Beta ... Blockers: - ... QRS #widening #ECG ... #EKG #Pharmacology
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
2nd Degree AV Block ... till a dropped beat ... to 6:5 in this ECG ... Second #Degree #AV #Block ... #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
before dropped beat ... after dropped beat ... HeartBlocks #Types #Classification ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Hyperkalemia Treatment Algorithm ... ECG changes, weakness ... injury, etc) ECG ... bradycardia, AV blocks ... Combo of insulin + beta-agonist
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
global T wave inversion ... bundle branch blocks ... bundle branch block ... Causes #Cardiology #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... assoc with 1K, AV block ... Trifascicular block ... 1st degree heart block ... Syncope #Syndromes #ECG
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
inhibition (NSAIDs, Beta-Blockers ... Angiotensin-converting enzyme (ACE ... Angiotensin II Receptor Blockers ... Sodium-channel blockers ... • Increased EC
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... group-beating" on the ECG ... AVBlock #cardiology #ekg ... #ecg #diagnosis ... electrocardiogram #classification
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
ARB, diabetes) ACE ... Pgp-dependent drugs (e.g ... statins, digoxin) Beta ... Blockers - Asthma ... , AV block (grade
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
Evaluation - EKG ... NSAlDs, ACE-inhibitors ... Initiation of beta-blocker ... failure - Any beta-blocker ... calcium channel blocker