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.

Workup EKG
Updated Mar 2026
Arrhythmia

AFib Rate Control — Medication Selection

Beta-blocker vs. CCB selection guide, target heart rates, and considerations for HFrEF vs. HFpEF patients.

Medications Rate Control
Updated Feb 2026
Anticoagulation

Anticoagulation in AFib — DOAC Selection

CHA₂DS₂-VASc scoring, DOAC selection based on renal function, and management of renal/hepatic impairment.

DOACs Scoring
Updated Jan 2026
Workup

New-Onset Heart Failure Evaluation

Lab panel, echo protocol, BNP interpretation, and initial management framework for newly diagnosed HF.

Labs Echo
Updated Dec 2025
Workup

Chest Pain — Outpatient Risk Stratification

HEART Score application, when to send to ED vs. stress test, and troponin interpretation in low-risk patients.

Risk Score ACS
Updated Nov 2025
Hypertension

Hypertension Management — Stepped Approach

First and second-line agent selection by patient profile, target BPs by diagnosis, and resistant HTN workup triggers.

Medications Guidelines
Updated Oct 2025

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