145 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
sodium channel blockers ... which cause QRS ... - Amantadine Beta ... QRS #widening #ECG ... #EKG #Pharmacology
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
on EKG • P-R ... till a dropped beat ... to 6:5 in this ECG ... diagnosis #cardiology #EKG ... #ECG #Electrocardiogram
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
global T wave inversion ... bundle branch block ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
• Higher doses cause ... /kg/min): renal ... /kg/min): increases ... CO • a (>10 mcg ... cAMP/cGMP • Causes
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... Hypothyroidism - TOX: beta-blockers ... LIFE THREATENING CAUSES ... TREATMENT - Drugs (beta-blockers ... #Bradycardia #Algorithm
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Beta Blocker Side ... bradycardia, AV block ... exacerbation, Beta ... blocker withdrawal ... syndrome (e.g.
ST depression & T wave inversion causes #Pathophys #Diagnosis #Cardiology #MedStudent #EKG #Differential #TWI #STD #TWaveInversion
depression & T wave inversion ... causes #Pathophys ... Cardiology #MedStudent #EKG
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... assoc with 1K, AV block ... Trifascicular block ... Syncope #Syndromes #ECG ... #EKG #Checklist
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Differential Diagnosis Algorithm ... Iron Deficiency (Eg ... No HgbA • Beta-Thalassemia ... Other • e.g ... Differential #Diagnosis #Algorithm