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Quinolone Antibiotics - Susceptibility Coverage Table
 - Ciprofloxacin
 - Levofloxacin
 - Moxifloxacin 

Dr. Eric Strong https://twitter.com/DrEricStrong
Quinolone Antibiotics ... DrEricStrong #Quinolone
Antibiotics for Atypical Bacteria 
 - Macrolides   (Azithromycin) 
 - Tetracyclines   (Doxycycline)
Doxycycline) - Quinolones
Antibiotic Classification by Mechanism of Action

Cell Wall Synthesis: 
Penicillins 
Cephalosporins 
Carbapenems 
Monobactams 
Beta-lactamase inhibitors
Glycopeptides 

 Protein
Fluorquinolones Quinolones
Focus Assessed Transthoracic Echo (FATE) - Basic FATE views

Pos 1: Subcostal 4-chamber

Pos 2: Apical 4-chamber

Pos 3:
Focus Assessed Transthoracic ... FATE views Pos 1: ... Echocardiogram #POCUS
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Macrolides and quinolones ... after load: 0.5-1 ... Pediatric: 0.1-1 ... evidence • Load: 1-
Counseling tips for common antibiotics
LEGEND
 • take with food
 • take on empty stomach
 • take
METRONIDAZOLE QUINOLONES
D-Sign on Ultrasound
Right Ventricular Pressure vs Volume Overload
Eccentricity Index (EI) = D2/D1
RV Overload “D Sign” EI
“D Sign” EI > 1 ... - POCUS 101 @Pocus101 ... diagnosis #cardiology #pocus
Antibiotics - Mechanisms and Sites of Action 

Inhibit Cell Wall Synthesis or Function 
- Beta Lactams,
Topoisomerase IV: Quinolones
Intubation Confirmation on POCUS

See the round, shadowing structures?
1. ET Tube in Trachea
2. NG Tube in Esophagus

-
Confirmation on POCUS ... 1. ... #Confirmation #POCUS
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
- Macrolides, quinolones