Diagnostic algorithm for clozapine-induced myocarditis: A systematic review

Table 3 Highlights the overlap between symptoms of clozapine-associated pneumonia and myocarditis

Symptom	CIM frequency (%)	CIP frequency (%)
Fever	40-70[14]	71-75[39]
Difficulty breathing	27-70[14]	67-75[39]
Dizziness with postural changes	50[14]	35[39]
Rapid heartbeat	46-50[14]	53[40]
Chest pain	32-40[14]	39-49[39]
Fatigue	20[14]	90[39]
Lower limbs swelling	20[14]	Uncommon

CIM: Clozapine-induced myocarditis; CIP: Clozapine-induced pneumonia.