Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Med Cases and Elmer Press Inc
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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.
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 2.
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 3.
Figure 3. Telemetry monitoring showing persistent premature ventricular contractions in bigeminy and trigeminy. N: normal beat; V: ventricular beat.

Table

Table 1. Initial Laboratory Findings, Demonstrating Mild Hypokalemia, Lactic Acidosis, and Bandemia
 
Laboratory testReference valuesMeasured values
AST: aspartate aminotransferase; ALT: alanine aminotransferase; BUN: blood urea nitrogen.
White blood cells (cells/µL)4,300 - 11,1005,600
Hemoglobin (g/dL)11.5 - 15.513.6
Hematocrit (%)36 - 4643
Platelet (cells/µL)120,000 - 360,000295,000
Neutrophils (%)38 - 7545
Lymphocytes (%)20 - 486
Bands (%)0 - 522
Sodium (mEq/L)135 - 148135
Potassium (mEq/L)3.5 - 5.53.2
Chloride (mEq/L)98 - 11092
Bicarbonate (mmol/L)24 - 3412
BUN (mg/dL)8 - 2023
Creatinine (mg/dL)0.5 - 1.52.26
Calcium (mg/dL)8.5 - 10.59.1
Phosphorous (mg/dL)2.4 - 4.44.3
Magnesium (mg/dL)1.6 - 2.31.6
AST (U/L)5.0 - 4020
ALT (U/L)5.0 - 4017
Lactate (mmol/L)1 - 1.84.3