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diagnosis management cardiology clinical differential pharmacology ekg pocus causes algorithm table ecg ultrasound treatment electrocardiogram anesthesia comparison medications nerveblock pathophysiology
Pharmaceutical Management of Hyperthyroidism / Thyroid Storm Beta-Blockers • Decreases sympathetic hyperactivity • Partially blocks peripheral conversion
Thyroid Storm Beta-Blockers ... • Partially blocks ... Propylthiouracil (PTU) • Blocks ... Methimazole • Blocks ... pathway has been blocked
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
Bradycardia Diagnostic and Management Algorithm CONSIDER ETIOLOGY (not inclusive): - STRUCTURAL: sick sinus, AV block, ischemia,
sick sinus, AV block ... Hypothyroidism - TOX: beta-blockers ... calcium channel blockers ... TREATMENT - Drugs (beta-blockers ... calcium channel blockers
Antiarrhythmics - Vaughan Williams Classification: CLASS 1 - Sodium Channel Blockers: • MOA: Block fast Na+ channels
: • MOA: Block ... duration CLASS 2 - Beta ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Compelling and Possible Contraindications to Antihypertensive Drugs Diuretics (thiazides) - Gout - Metabolic syndrome, Glucose intolerance, Pregnancy,
diltiazem) - AV block ... statins, digoxin) Beta ... Blockers - Asthma ... , AV block (grade ... Depression, AV block
Antiarrhythmics Pharmacology Summary Cardiac Conduction Phases: Phase 0 - Ventricular Depolarization: • Na+ channels open leading to a
: • MOA: Block ... duration CLASS 2 - Beta ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
AFIb w/ variable block ... Normotensive: Beta-Blocker
Relative Bradycardia - Diagnostic Criteria Inclusive 1. Patient must be an adult. 2. Temperature > 102 F 3. Pulse must
- degree heart block ... must not be on beta-blocker
One Pill Kills - Those that can be fatal even after just ingesting a small amount 1)
CALCIUM CHANNEL BLOCKERS ... They can also block ... ANTIDEPRESSANTS Block ... production. 6) BETA ... BLOCKERS Cause
Approach to ECGs - Tachy/Bradyarrhythmias Tachyarrhythmias - HR > 100 Wide (1) VT - DANGER (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
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