88 results
Pharmaceutical Management of Hyperthyroidism / Thyroid Storm
Beta-Blockers 
• Decreases sympathetic hyperactivity 
• Partially blocks peripheral conversion
Pharmaceutical Management ... Thyroid Storm Beta-Blockers ... peripheral conversion ... • Decreases conversion ... #ThyroidStorm #Management
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
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
sodium channel blockers ... - Amantadine Beta ... Blockers: - ... QRS #widening #ECG ... #EKG #Pharmacology
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
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
- EKG & echocardiography ... Nephrotoxins (e.g ... Initiation of beta-blocker ... failure - Any beta-blocker ... (eg diltiazem)
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.
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
/kg/min): renal ... mild alpha (5-10 mcg ... /kg/min): increases ... CO • a (>10 mcg ... Pharmacology #Summary #management
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
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
before dropped beat ... after dropped beat ... Brady Management ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
Endocarditis checklist ... if suspected (e.g ... telemetry for heart block ... (+/- daily EKG) ... of infection (e.g