Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access
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Case Report

Volume 15, Number 12, December 2024, pages 376-381

Mirtazapine-Induced Premature Ventricular and Atrial Contractions

Figures

↓  Figure 1. Axial section of a computed tomography of the abdomen and pelvis without intravenous contrast showing bilateral hydronephrosis (blue arrows), cholelithiasis without gallbladder wall thickening (red arrow), and perihepatic ascites (green arrow).
Figure 1.
↓  Figure 2. Coronal section of a repeat computed tomography of the abdomen and pelvis with oral and intravenous contrast demonstrated thickened enhancing peritoneum surrounding a loculated abdominal fluid collection measuring 12.3 × 3.9 cm (marked in yellow).
Figure 2.
↓  Figure 3. Telemetry monitoring showing persistent premature ventricular contractions in bigeminy and trigeminy. N: normal beat; V: ventricular beat.
Figure 3.

Table

↓  Table 1. Initial Laboratory Findings, Demonstrating Mild Hypokalemia, Lactic Acidosis, and Bandemia
 
Laboratory test Reference values Measured values
AST: aspartate aminotransferase; ALT: alanine aminotransferase; BUN: blood urea nitrogen.
White blood cells (cells/µL) 4,300 - 11,100 5,600
Hemoglobin (g/dL) 11.5 - 15.5 13.6
Hematocrit (%) 36 - 46 43
Platelet (cells/µL) 120,000 - 360,000 295,000
Neutrophils (%) 38 - 75 45
Lymphocytes (%) 20 - 48 6
Bands (%) 0 - 5 22
Sodium (mEq/L) 135 - 148 135
Potassium (mEq/L) 3.5 - 5.5 3.2
Chloride (mEq/L) 98 - 110 92
Bicarbonate (mmol/L) 24 - 34 12
BUN (mg/dL) 8 - 20 23
Creatinine (mg/dL) 0.5 - 1.5 2.26
Calcium (mg/dL) 8.5 - 10.5 9.1
Phosphorous (mg/dL) 2.4 - 4.4 4.3
Magnesium (mg/dL) 1.6 - 2.3 1.6
AST (U/L) 5.0 - 40 20
ALT (U/L) 5.0 - 40 17
Lactate (mmol/L) 1 - 1.8 4.3