Cardiology Protocols
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Arrhythmia
Atrial Fibrillation — Initial Workup
Systematic approach to new-onset AFib including EKG interpretation, labs, echo indications, and rate vs. rhythm strategy.
Medications
Warfarin (Coumadin) Dosing
Interactive dosing calculator with weekly schedule. UW Madison algorithm for new starts and INR-guided maintenance adjustments across all three INR target ranges.
Anticoagulation
Anticoagulation in AFib — DOAC Selection
CHA₂DS₂-VASc scoring, DOAC selection based on renal function, and management of renal/hepatic impairment.
Workup
New-Onset Heart Failure Evaluation
Lab panel, echo protocol, BNP interpretation, and initial management framework for newly diagnosed HF.
Workup
Chest Pain — Outpatient Risk Stratification
HEART Score application, when to send to ED vs. stress test, and troponin interpretation in low-risk patients.
Hypertension
Hypertension Management — Stepped Approach
First and second-line agent selection by patient profile, target BPs by diagnosis, and resistant HTN workup triggers.
Commonly Prescribed — Quick Reference
Full Formulary →Medication
Drug Class
Typical Dose
Key Notes
Metoprolol Succinate
Beta Blocker
25–200 mg QD
Preferred in HFrEF
Apixaban (Eliquis)
DOAC
5 mg BID
Adj dose if ≥2 criteria
Diltiazem
CCB
120–360 mg QD (ER)
Avoid in HFrEF
Amiodarone
Class III AAD
200 mg QD (maint.)
Monitor TFTs, LFTs, CXR
Rivaroxaban (Xarelto)
DOAC
20 mg QD with dinner
Renal dose if CrCl 15–50
Lisinopril
ACE Inhibitor
5–40 mg QD
Check K⁺ and Cr at 1–2 wk